{"title":"433Mhz","description":"","products":[{"product_id":"tx433-th-3-433mhz-spring-antenna","title":"Cdsenet TX433-TH-3 433MHz Spring Antenna 1.0 dBi Gain PCB Mount","description":"\u003cdiv style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1000px; margin: 0 auto; padding: 10px;\"\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 24px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 20px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; color: #444; margin-bottom: 20px;\"\u003eThe \u003cstrong\u003eTX433-TH-3\u003c\/strong\u003e is a compact 433MHz helical spring antenna delivering \u003cstrong\u003e1.0 dBi gain\u003c\/strong\u003e with VSWR ¡Ü1.5 across the ISM band (433.05-434.79 MHz). Featuring a space-saving helical coil design and direct PCB soldering interface, this antenna provides reliable omnidirectional RF performance for wireless modules, remote controls, and IoT devices. The spring construction offers mechanical flexibility and shock resistance, making it ideal for compact consumer electronics and industrial applications requiring a low-profile antenna solution. \u003cem\u003eUpdated March 2026.\u003c\/em\u003e\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-TH-3.png?v=1773819363\" alt=\"TX433-TH-3 433MHz helical spring antenna with 1.0 dBi gain and PCB soldering interface\" loading=\"lazy\"\u003e\u003cbr\u003e\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; margin-bottom: 15px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; text-align: left; border: 1px solid #ececec;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f9f9f9; border-bottom: 2px solid #eee;\"\u003e\n\u003cth style=\"padding: 12px; font-weight: bold; color: #333;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 12px; font-weight: bold; color: #333;\"\u003eTechnical Value\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eFrequency Range\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e433 MHz (ISM Band: 433.05-434.79 MHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003ePeak Gain\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e1.0 dBi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eVSWR\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; font-weight: bold; color: #e4393c;\"\u003e¡Ü 1.5 @ 433 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eInput Impedance\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e50 ¦¸\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eConnector Type\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eDirect PCB Soldering (Wire Lead)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eAntenna Type\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eHelical Spring (Omnidirectional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eAntenna Height\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e30 mm (1.18 inches, compressed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eWire Diameter\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e0.5 mm (AWG 24)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eCopper Wire (Tin-Plated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e-40¡ãC to +85¡ãC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eCertification\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eRoHS Compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eUpdated\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eMarch 2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 25px;\"\u003eProduct Details\u003c\/h2\u003e\n\u003cdiv style=\"background: #ffffff; border: 1px solid #eee; border-radius: 8px; padding: 20px; margin-bottom: 20px;\"\u003e\n\u003ch3 style=\"font-size: 18px; color: #111; margin: 0 0 10px 0;\"\u003eCompact Helical Spring Design for Space-Constrained Applications\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eThe TX433-TH-3 features a precision-wound helical coil construction that compresses the antenna's electrical length into a compact 30mm physical height, making it ideal for space-constrained PCB designs and portable devices. The spring design provides omnidirectional radiation pattern with consistent performance across all horizontal directions. The copper wire construction with tin plating ensures excellent conductivity and corrosion resistance, while the flexible spring structure offers mechanical shock absorption and vibration resistance, critical for mobile and handheld applications.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-TH-3.png?v=1773819363\" alt=\"TX433-TH-3 compact helical spring antenna design\" loading=\"lazy\"\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #ffffff; border: 1px solid #eee; border-radius: 8px; padding: 20px;\"\u003e\n\u003ch3 style=\"font-size: 18px; color: #111; margin: 0 0 10px 0;\"\u003eDirect PCB Soldering Interface for Easy Integration\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eThe antenna features a wire lead termination designed for direct soldering to PCB pads or through-hole mounting, eliminating the need for bulky connectors and reducing overall system cost. The 0.5mm (AWG 24) tinned copper wire provides reliable electrical contact and mechanical stability when properly soldered. This interface is particularly suitable for high-volume manufacturing where automated pick-and-place and wave soldering processes are used. The antenna maintains 50¦¸ impedance matching when mounted vertically on a properly designed ground plane (minimum 40mm ¡Á 40mm recommended).\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-TH-3-1.png?v=1773819364\" alt=\"TX433-TH-3 PCB soldering interface and mounting detail\" loading=\"lazy\"\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; margin-bottom: 15px;\"\u003eProfessional Test Report\u003c\/h2\u003e\n\u003cdiv style=\"background-color: #f8fbff; border: 1px solid #e1ecf7; border-radius: 8px; padding: 20px; text-align: center;\"\u003e\n\u003cp style=\"font-size: 15px; color: #1e3a8a; margin-bottom: 15px;\"\u003eVerified using professional RF test equipment at 433 MHz center frequency: VSWR measured consistently \u003cstrong\u003e¡Ü 1.5\u003c\/strong\u003e across the ISM band (433.05-434.79 MHz), ensuring efficient power transfer and minimal reflected energy. Return loss (S11) exceeds -14 dB throughout the operational bandwidth, confirming excellent impedance matching to 50¦¸ systems. The omnidirectional radiation pattern provides consistent coverage with gain variation less than ¡À2 dB across the horizontal plane, ideal for applications requiring uniform signal distribution.\u003c\/p\u003e\n\u003cp style=\"color: #999; font-style: italic; font-size: 12px;\"\u003e(Complete VSWR \/ S11 \/ radiation pattern measurements available upon request)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; margin-bottom: 25px;\"\u003eIdeal Applications\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 20px;\"\u003e\n\u003cdiv style=\"flex: 1 1 300px; min-width: 280px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n\u003ch3 style=\"font-size: 17px; margin: 0 0 8px 0; color: #0056b3;\"\u003eWireless Remote Controls\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003ePerfect for 433MHz RF remote controls for garage doors, gate openers, car alarms, and home automation systems requiring compact, reliable antenna solutions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; min-width: 280px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n\u003ch3 style=\"font-size: 17px; margin: 0 0 8px 0; color: #0056b3;\"\u003eIoT Wireless Modules\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eIdeal for 433MHz LoRa modules (SX1278, HC-12), FSK\/ASK transceivers, and low-power wireless sensor nodes in smart home and industrial IoT applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; min-width: 280px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n\u003ch3 style=\"font-size: 17px; margin: 0 0 8px 0; color: #0056b3;\"\u003eConsumer Electronics\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eSuitable for wireless keyboards, mice, game controllers, and other consumer devices operating in the 433MHz ISM band requiring low-profile antenna integration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; min-width: 280px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n\u003ch3 style=\"font-size: 17px; margin: 0 0 8px 0; color: #0056b3;\"\u003eSecurity \u0026amp; Alarm Systems\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eReliable antenna for wireless door\/window sensors, motion detectors, and security system components requiring omnidirectional coverage in residential and commercial installations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 25px;\"\u003eResources\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eFor detailed technical specifications, PCB layout guidelines, and integration recommendations, please contact our technical support team or refer to the CDEBYTE 433MHz antenna application notes.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection style=\"border-top: 1px solid #eee; padding-top: 30px;\"\u003e\n\u003ch2 style=\"font-size: 20px; color: #111; margin-bottom: 20px;\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 20px; padding: 15px; background: #f9f9f9; border-left: 4px solid #0056b3; border-radius: 4px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 8px; color: #111;\"\u003eQ: How do I properly solder this antenna to my PCB?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px; line-height: 1.6;\"\u003eA: The TX433-TH-3 features a tinned copper wire lead designed for through-hole or surface-mount soldering. For optimal performance, mount the antenna vertically (perpendicular to the PCB) and solder the wire lead to a PCB pad connected to your RF transceiver's antenna output via a 50¦¸ transmission line. Ensure a proper ground plane (minimum 40mm ¡Á 40mm) is present on the PCB to serve as the antenna's counterpoise. Use standard lead-free solder (SAC305) at 350-370¡ãC with a soldering time of 2-3 seconds to avoid thermal damage to the spring coil. Avoid excessive mechanical stress during soldering to prevent detuning.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px; padding: 15px; background: #f9f9f9; border-left: 4px solid #0056b3; border-radius: 4px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 8px; color: #111;\"\u003eQ: What is the expected range with this antenna?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px; line-height: 1.6;\"\u003eA: Communication range depends on transmitter power, receiver sensitivity, modulation scheme, and environmental conditions. With a typical 10mW (10dBm) 433MHz transmitter and -110dBm receiver sensitivity, expect line-of-sight range of 100-300 meters in open areas. The 1.0 dBi gain provides approximately 1.25x range improvement compared to a 0 dBi reference antenna. Indoor range will be significantly reduced (20-50 meters) due to wall attenuation and multipath interference. For extended range, consider higher transmit power (within regulatory limits of 10mW ERP in Europe, 1W in USA) or using higher-gain external antennas.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px; padding: 15px; background: #f9f9f9; border-left: 4px solid #0056b3; border-radius: 4px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 8px; color: #111;\"\u003eQ: Is this antenna suitable for outdoor applications?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px; line-height: 1.6;\"\u003eA: The TX433-TH-3 is designed primarily for indoor or protected outdoor applications. The tin-plated copper wire provides basic corrosion resistance and operates reliably across -40¡ãC to +85¡ãC temperature range. However, for harsh outdoor environments with direct weather exposure, we recommend enclosing the antenna in a weatherproof enclosure with a radome (plastic cover) to protect against moisture, UV degradation, and physical damage. The antenna is RoHS compliant and suitable for consumer and industrial applications. For permanent outdoor installations, consider our weatherproof external antenna options with IP67-rated connectors.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px; padding: 15px; background: #f9f9f9; border-left: 4px solid #0056b3; border-radius: 4px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 8px; color: #111;\"\u003eQ: Can I use this antenna with LoRa modules operating at 433MHz?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px; line-height: 1.6;\"\u003eA: Yes, the TX433-TH-3 is fully compatible with 433MHz LoRa modules (SX1276, SX1278, SX1262 transceivers) and other modulation schemes (FSK, GFSK, OOK, ASK) operating in the 433MHz ISM band. The antenna's 50¦¸ impedance matches standard LoRa module RF outputs, and the VSWR ¡Ü1.5 ensures efficient power transfer across the LoRa bandwidth (typically 125-500 kHz). For optimal LoRa performance, ensure proper PCB layout with adequate ground plane, minimize trace length between the module and antenna, and consider adding a ¦Ð-network or LC matching circuit if VSWR optimization is required for your specific PCB layout.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 15px; background: #f9f9f9; border-left: 4px solid #0056b3; border-radius: 4px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 8px; color: #111;\"\u003eQ: What PCB design considerations are important for this antenna?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px; line-height: 1.6;\"\u003eA: For optimal performance, follow these PCB design guidelines: (1) Provide a solid ground plane of at least 40mm ¡Á 40mm on the PCB layer directly beneath the antenna mounting point. (2) Mount the antenna vertically at the edge or corner of the PCB to maximize omnidirectional coverage. (3) Keep the antenna at least 10mm away from metal enclosures, batteries, and other RF-sensitive components. (4) Use a 50¦¸ microstrip or coplanar waveguide transmission line to connect the antenna feed point to your RF module, keeping trace length below 20mm to minimize losses. (5) Avoid routing digital signals or power traces near the antenna feed to prevent RF interference. (6) Consider adding a ¦Ð-network (series inductor + shunt capacitors) for fine-tuning impedance matching if needed. Reference application notes from your RF module manufacturer for specific layout recommendations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"cdsenet","offers":[{"title":"Default Title","offer_id":45196040634470,"sku":"tx433-th-3","price":0.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-TH-3-_1_800x800_v2.jpg?v=1773459963"},{"product_id":"tx433-fpc-2818","title":"Cdsenet TX433-FPC-2818 433MHz FPC Antenna","description":"\u003cdiv style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1000px; margin: 0 auto; padding: 10px;\"\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 24px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 20px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; color: #444; margin-bottom: 20px;\"\u003eThe \u003cstrong\u003eTX433-FPC-2818\u003c\/strong\u003e is a precision-engineered 433MHz FPC (Flexible Printed Circuit) internal antenna delivering \u003cstrong\u003e2.5 dBi gain\u003c\/strong\u003e with VSWR ¡Ü2.0 across the ISM band. Measuring just \u003cstrong\u003e28mm ¡Á 18mm\u003c\/strong\u003e with an ultra-lightweight 1g design, this antenna features a 71mm IPEX-I (U.FL) connector cable for seamless integration into space-constrained IoT devices, wearables, and compact wireless modules. The flexible substrate construction enables conformal mounting on curved surfaces and tight enclosures, making it ideal for modern consumer electronics and industrial IoT applications requiring minimal footprint and maximum design flexibility. \u003cem\u003eUpdated March 2026.\u003c\/em\u003e\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-FPC-2818.png?v=1773820131\" alt=\"TX433-FPC-2818 433MHz FPC internal antenna with 2.5 dBi gain and IPEX-I connector\" loading=\"lazy\"\u003e\u003cbr\u003e\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; margin-bottom: 15px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; text-align: left; border: 1px solid #ececec;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f9f9f9; border-bottom: 2px solid #eee;\"\u003e\n\u003cth style=\"padding: 12px; font-weight: bold; color: #333;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 12px; font-weight: bold; color: #333;\"\u003eTechnical Value\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eFrequency Range\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e433 MHz (ISM Band: 433.05-434.79 MHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003ePeak Gain\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e2.5 dBi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eVSWR\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; font-weight: bold; color: #e4393c;\"\u003e¡Ü 2.0 @ 433 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eInput Impedance\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e50 ¦¸\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eConnector Type\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eIPEX-I (U.FL) with 71mm cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eAntenna Type\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eFPC Internal Antenna (Planar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eAntenna Dimensions\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e28mm ¡Á 18mm ¡Á 0.15mm (L ¡Á W ¡Á T)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eCable Length\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e71 mm (2.8 inches)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e1 g (0.035 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eSubstrate Material\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eFlexible Polyimide (PI) Film\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eConductor Material\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eCopper (Electroplated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e-40¡ãC to +85¡ãC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eMounting Method\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e3M Adhesive Backing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eCertification\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eRoHS Compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eUpdated\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eMarch 2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 25px;\"\u003eProduct Details\u003c\/h2\u003e\n\u003cdiv style=\"background: #ffffff; border: 1px solid #eee; border-radius: 8px; padding: 20px; margin-bottom: 20px;\"\u003e\n\u003ch3 style=\"font-size: 18px; color: #111; margin: 0 0 10px 0;\"\u003eUltra-Compact FPC Design for Space-Constrained Applications\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eThe TX433-FPC-2818 utilizes advanced flexible printed circuit (FPC) technology to achieve a remarkably compact 28mm ¡Á 18mm footprint with only 0.15mm thickness and 1g weight. The flexible polyimide (PI) substrate enables conformal mounting on curved surfaces, integration into tight enclosures, and installation in locations where rigid antennas cannot fit. The planar design provides omnidirectional coverage in the horizontal plane, making it ideal for wearables, smart trackers, compact IoT sensors, and miniaturized wireless devices. The 3M adhesive backing ensures secure attachment to plastic enclosures, PCBs, or internal device surfaces without requiring screws or additional mounting hardware.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-FPC-2818.png?v=1773820131\" alt=\"TX433-FPC-2818 ultra-compact FPC antenna design with flexible substrate\" loading=\"lazy\"\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #ffffff; border: 1px solid #eee; border-radius: 8px; padding: 20px; margin-bottom: 20px;\"\u003e\n\u003ch3 style=\"font-size: 18px; color: #111; margin: 0 0 10px 0;\"\u003eIPEX-I (U.FL) Connector for Easy Integration\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eThe antenna features a standard IPEX-I (U.FL) connector with a 71mm low-loss coaxial cable, providing plug-and-play compatibility with most 433MHz wireless modules including LoRa transceivers, RF modules, and IoT development boards. The IPEX-I connector is the industry-standard micro RF connector used in compact devices, offering reliable electrical performance with insertion loss below 0.3 dB and rated for 30+ mating cycles. The 71mm cable length provides sufficient flexibility for routing within device enclosures while minimizing signal loss. The cable uses RG178 or equivalent 50¦¸ coaxial construction to maintain impedance matching and signal integrity.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-FPC-2818-3.png?v=1773820130\" alt=\"TX433-FPC-2818 IPEX-I U.FL connector with 71mm cable\" loading=\"lazy\"\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #ffffff; border: 1px solid #eee; border-radius: 8px; padding: 20px;\"\u003e\n\u003ch3 style=\"font-size: 18px; color: #111; margin: 0 0 10px 0;\"\u003eOptimized Radiation Pattern and Performance\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eThe antenna's planar meandered trace design achieves 2.5 dBi gain with omnidirectional coverage in the horizontal plane, providing approximately 1.8x range improvement compared to a 0 dBi reference antenna. The VSWR ¡Ü2.0 specification ensures acceptable impedance matching with return loss better than -9.5 dB, suitable for most IoT applications. The antenna performs optimally when mounted on a ground plane (minimum 50mm ¡Á 50mm recommended) with clearance from metal objects and high-permittivity materials. The flexible substrate allows the antenna to conform to curved enclosure surfaces without significant performance degradation, maintaining consistent RF characteristics across the 433MHz ISM band.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-FPC-2818-2.png?v=1773820131\" alt=\"TX433-FPC-2818 antenna radiation pattern and performance characteristics\" loading=\"lazy\"\u003e\u003cbr\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-FPC-2818-1.png?v=1773820130\" alt=\"TX433-FPC-2818 installation and mounting configuration\" loading=\"lazy\"\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; margin-bottom: 15px;\"\u003eProfessional Test Report\u003c\/h2\u003e\n\u003cdiv style=\"background-color: #f8fbff; border: 1px solid #e1ecf7; border-radius: 8px; padding: 20px; text-align: center;\"\u003e\n\u003cp style=\"font-size: 15px; color: #1e3a8a; margin-bottom: 15px;\"\u003eVerified using professional RF test equipment at 433 MHz center frequency: VSWR measured consistently \u003cstrong\u003e¡Ü 2.0\u003c\/strong\u003e across the ISM band (433.05-434.79 MHz), ensuring acceptable impedance matching for IoT applications. Peak gain of \u003cstrong\u003e2.5 dBi\u003c\/strong\u003e achieved with omnidirectional horizontal coverage pattern. Return loss (S11) better than -9.5 dB throughout the operational bandwidth, confirming adequate power transfer to 50¦¸ systems. Antenna efficiency exceeds 60% when properly mounted with recommended ground plane clearance, providing reliable performance for compact wireless devices.\u003c\/p\u003e\n\u003cp style=\"color: #999; font-style: italic; font-size: 12px;\"\u003e(Complete VSWR \/ S11 \/ radiation pattern \/ efficiency measurements available upon request)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; margin-bottom: 25px;\"\u003eIdeal Applications\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 20px;\"\u003e\n\u003cdiv style=\"flex: 1 1 300px; min-width: 280px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n\u003ch3 style=\"font-size: 17px; margin: 0 0 8px 0; color: #0056b3;\"\u003eWearable Devices \u0026amp; Fitness Trackers\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eUltra-lightweight (1g) and flexible design perfect for smartwatches, fitness bands, health monitors, and wearable IoT devices requiring minimal size and weight impact.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; min-width: 280px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n\u003ch3 style=\"font-size: 17px; margin: 0 0 8px 0; color: #0056b3;\"\u003eCompact IoT Sensors \u0026amp; Modules\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eIdeal for miniaturized 433MHz LoRa sensors, environmental monitors, asset trackers, and wireless sensor nodes where space is at a premium.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; min-width: 280px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n\u003ch3 style=\"font-size: 17px; margin: 0 0 8px 0; color: #0056b3;\"\u003eSmart Home Devices\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eSuitable for compact smart home sensors (door\/window, temperature, humidity), wireless switches, and home automation controllers requiring internal antenna integration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; min-width: 280px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n\u003ch3 style=\"font-size: 17px; margin: 0 0 8px 0; color: #0056b3;\"\u003eMedical \u0026amp; Healthcare Devices\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eLightweight and biocompatible substrate suitable for medical wearables, patient monitors, and healthcare IoT devices requiring wireless connectivity in compact form factors.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 25px;\"\u003eResources\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eFor detailed technical specifications, integration guidelines, recommended ground plane layouts, and antenna placement recommendations, please contact our technical support team or refer to the CDEBYTE FPC antenna application notes.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection style=\"border-top: 1px solid #eee; padding-top: 30px;\"\u003e\n\u003ch2 style=\"font-size: 20px; color: #111; margin-bottom: 20px;\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 20px; padding: 15px; background: #f9f9f9; border-left: 4px solid #0056b3; border-radius: 4px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 8px; color: #111;\"\u003eQ: How do I properly install this FPC antenna in my device?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px; line-height: 1.6;\"\u003eA: The TX433-FPC-2818 features a 3M adhesive backing for easy installation. First, identify a suitable mounting location away from metal components, batteries, and high-permittivity materials (minimum 5mm clearance recommended). The antenna performs best when mounted on or near a ground plane (minimum 50mm ¡Á 50mm). Clean the mounting surface with isopropyl alcohol and allow to dry. Peel the protective film from the adhesive backing and firmly press the antenna onto the surface, ensuring good contact across the entire antenna area. Connect the IPEX-I connector to your wireless module's antenna port with a gentle push until you hear\/feel a click. Avoid excessive bending of the FPC substrate (minimum bend radius 5mm) and route the cable to avoid sharp kinks that could damage the coaxial structure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px; padding: 15px; background: #f9f9f9; border-left: 4px solid #0056b3; border-radius: 4px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 8px; color: #111;\"\u003eQ: What is the expected range with this internal antenna?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px; line-height: 1.6;\"\u003eA: Communication range depends on transmitter power, receiver sensitivity, modulation scheme, antenna placement, and environmental conditions. With a typical 10mW (10dBm) 433MHz transmitter and -110dBm receiver sensitivity, expect line-of-sight range of 150-400 meters in open areas when the antenna is properly installed with adequate ground plane. The 2.5 dBi gain provides approximately 1.8x range improvement compared to a 0 dBi reference antenna. Indoor range will be significantly reduced (30-80 meters) due to wall attenuation, furniture, and multipath interference. Internal antenna placement within plastic enclosures typically reduces range by 20-40% compared to external antennas. For maximum range, mount the antenna near the device edge, away from metal components, and ensure the device orientation allows the antenna's horizontal radiation pattern to align with the target receiver.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px; padding: 15px; background: #f9f9f9; border-left: 4px solid #0056b3; border-radius: 4px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 8px; color: #111;\"\u003eQ: Can this antenna be used with LoRa modules at 433MHz?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px; line-height: 1.6;\"\u003eA: Yes, the TX433-FPC-2818 is fully compatible with 433MHz LoRa modules (SX1276, SX1278, SX1262 transceivers) and other modulation schemes (FSK, GFSK, OOK, ASK) operating in the 433MHz ISM band. The antenna's 50¦¸ impedance and IPEX-I connector provide direct compatibility with most LoRa development boards and modules. The VSWR ¡Ü2.0 specification ensures acceptable impedance matching across the LoRa bandwidth (typically 125-500 kHz), though it may not be as optimal as antennas with VSWR ¡Ü1.5. For best LoRa performance, ensure proper antenna placement with recommended ground plane, minimize cable length between module and antenna, and consider the antenna's omnidirectional horizontal pattern when planning device orientation. The compact size makes it ideal for LoRa-based asset trackers, environmental sensors, and portable IoT devices.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px; padding: 15px; background: #f9f9f9; border-left: 4px solid #0056b3; border-radius: 4px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 8px; color: #111;\"\u003eQ: What are the ground plane requirements for optimal performance?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px; line-height: 1.6;\"\u003eA: The TX433-FPC-2818 requires a ground plane to function as a counterpoise for the antenna radiator. For optimal performance, provide a solid copper ground plane of at least 50mm ¡Á 50mm on the PCB or device chassis beneath\/adjacent to the antenna mounting location. Larger ground planes (70mm ¡Á 70mm or greater) will further improve antenna efficiency and radiation pattern. The antenna should be mounted at the edge or corner of the ground plane to maximize omnidirectional coverage. Maintain at least 5mm clearance between the antenna and metal components, batteries, LCD displays, and other RF-sensitive elements. If mounting inside a plastic enclosure, position the antenna as close to the enclosure wall as possible (within 2-3mm) to minimize dielectric loading. Metal enclosures will significantly degrade performance and should be avoided, or the antenna should be positioned near a plastic window in the enclosure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 15px; background: #f9f9f9; border-left: 4px solid #0056b3; border-radius: 4px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 8px; color: #111;\"\u003eQ: Is the IPEX-I connector compatible with my wireless module?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px; line-height: 1.6;\"\u003eA: The IPEX-I (also known as U.FL, MHF1, or AMC connector) is the industry-standard micro RF connector used in most compact 433MHz wireless modules, LoRa transceivers, and IoT development boards. It is compatible with modules featuring an IPEX-I receptacle (female connector). Common compatible modules include SX1276\/SX1278 LoRa modules, HC-12 transceivers, RFM69 modules, and most ESP32\/Arduino-based wireless boards with 433MHz capability. The connector is NOT compatible with larger connectors like SMA, RP-SMA, or MMCX - these require adapter cables. To connect, align the IPEX-I plug with the receptacle on your module and press straight down with gentle pressure until you hear\/feel a click. To disconnect, use tweezers or a small tool to gently pry the connector straight up - never pull on the cable. The connector is rated for 30+ mating cycles, so avoid frequent disconnection to maximize reliability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"cdsenet","offers":[{"title":"Default Title","offer_id":45196204179558,"sku":"tx433-fpc-2818","price":0.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-FPC-2818-_3_800x800_v2.jpg?v=1773460156"},{"product_id":"tx433-fpc-4810-433mhz-fpc-antenna-2-5-dbi-ipex-1","title":"Cdsenet TX433-FPC-4810 433MHz FPC Antenna 2.5 dBi IPEX-1 48×10mm IoT","description":"\u003cdiv style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1000px; margin: 0 auto; padding: 10px;\"\u003e\n\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 24px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 20px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; color: #444; margin-bottom: 20px;\"\u003eThe \u003cstrong\u003eTX433-FPC-4810\u003c\/strong\u003e is a compact built-in FPC (Flexible Printed Circuit) antenna engineered for the \u003cstrong\u003e433 MHz Sub-GHz band\u003c\/strong\u003e, covering LoRa, FSK, and OOK wireless protocols. Measuring \u003cstrong\u003e48 × 10 mm\u003c\/strong\u003e with a weight of just \u003cstrong\u003e1 g\u003c\/strong\u003e, it delivers \u003cstrong\u003e2.5 dBi gain\u003c\/strong\u003e and \u003cstrong\u003eVSWR ≤ 2.0\u003c\/strong\u003e at 433 MHz. The \u003cstrong\u003eIPEX-1 (U.FL) connector\u003c\/strong\u003e with a 73 mm RF1.13 coaxial feeder provides direct compatibility with mainstream 433 MHz wireless modules. Suited for smart home sensors, industrial telemetry, and agricultural IoT nodes. \u003cem\u003eUpdated March 2026.\u003c\/em\u003e\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-FPC-4810.png?v=1774593922\" alt=\"TX433-FPC-4810 433MHz FPC antenna 48x10mm with IPEX-1 connector product overview\" loading=\"lazy\" style=\"max-width:100%; border-radius:6px;\"\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 20px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; text-align: left; border: 1px solid #ececec;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f9f9f9; border-bottom: 2px solid #eee;\"\u003e\n\u003cth style=\"padding: 12px; font-weight: bold; color: #333;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 12px; font-weight: bold; color: #333;\"\u003eTechnical Value\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eFrequency Band\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e433 MHz (420–450 MHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003ePeak Gain\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e2.5 dBi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eVSWR\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; font-weight: bold; color: #e4393c;\"\u003e≤ 2.0 @ 433 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eConnector \/ Interface\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eIPEX-1 (U.FL, Generation 1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eFeeder Cable\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e73 mm RF1.13 coaxial (customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eImpedance\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e50 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eAntenna Material\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eFPC (Flexible Printed Circuit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e48 mm × 10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e1 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e−40 °C to +85 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eCompliance\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eRoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eLast Updated\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eMarch 2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 25px;\"\u003eProduct Details\u003c\/h2\u003e\n\n\u003cdiv style=\"background: #ffffff; border: 1px solid #eee; border-radius: 8px; padding: 20px; margin-bottom: 20px;\"\u003e\n\u003ch3 style=\"font-size: 18px; color: #111; margin: 0 0 10px 0;\"\u003eSelf-Adhesive FPC Substrate — Tool-Free Installation\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eThe FPC substrate features a pressure-sensitive adhesive backing, allowing direct attachment to the inner wall of plastic enclosures without screws or brackets. The flexible body (thickness \u0026lt; 0.3 mm) conforms to curved surfaces and tolerates repeated bending with a minimum radius of 5 mm, making it ideal for compact IoT sensor housings and handheld remote controls where rigid PCB antennas cannot fit.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-FPC-4810-1.png?v=1774593922\" alt=\"TX433-FPC-4810 self-adhesive FPC flexible substrate installation inside IoT enclosure\" loading=\"lazy\" style=\"max-width:100%; border-radius:6px;\"\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background: #ffffff; border: 1px solid #eee; border-radius: 8px; padding: 20px;\"\u003e\n\u003ch3 style=\"font-size: 18px; color: #111; margin: 0 0 10px 0;\"\u003eRF1.13 Coaxial Feeder with IPEX-1 Connector — Low-Loss Signal Path\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eThe 73 mm RF1.13 coaxial cable introduces \u0026lt; 0.3 dB insertion loss at 433 MHz, preserving the antenna’s 2.5 dBi gain budget. The gold-plated IPEX-1 (U.FL) connector is compatible with 433 MHz modules including Semtech SX1276\/SX1278, EBYTE E32\/E22 series, and Hope RF RFM69\/RFM96, requiring no impedance matching network when the system impedance is 50 Ω.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-FPC-4810-2.png?v=1774593922\" alt=\"TX433-FPC-4810 RF1.13 coaxial cable and gold-plated IPEX-1 U.FL connector detail\" loading=\"lazy\" style=\"max-width:100%; border-radius:6px;\"\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 25px;\"\u003eIdeal Applications\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 16px;\"\u003e\n\u003cdiv style=\"flex: 1 1 calc(25% - 12px); min-width: 160px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff; box-sizing: border-box;\"\u003e\n\u003ch3 style=\"font-size: 15px; margin: 0 0 8px 0; color: #0056b3;\"\u003e🏠 Smart Home \u0026amp; Security\u003c\/h3\u003e\n\u003cp style=\"font-size: 13px; color: #666; margin: 0;\"\u003e433 MHz remote controls, door\/window sensors, PIR detectors, and wireless alarm systems embedded in compact plastic housings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 calc(25% - 12px); min-width: 160px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff; box-sizing: border-box;\"\u003e\n\u003ch3 style=\"font-size: 15px; margin: 0 0 8px 0; color: #0056b3;\"\u003e🏭 Industrial IoT \u0026amp; LoRa\u003c\/h3\u003e\n\u003cp style=\"font-size: 13px; color: #666; margin: 0;\"\u003eWireless meter reading, pipeline monitoring, and industrial telemetry nodes using LoRa (SX1276\/SX1278) or FSK Sub-GHz protocols at 433 MHz.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 calc(25% - 12px); min-width: 160px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff; box-sizing: border-box;\"\u003e\n\u003ch3 style=\"font-size: 15px; margin: 0 0 8px 0; color: #0056b3;\"\u003e🌾 Agriculture \u0026amp; Environment\u003c\/h3\u003e\n\u003cp style=\"font-size: 13px; color: #666; margin: 0;\"\u003eSoil moisture sensors, weather stations, and livestock tracking devices requiring long-range Sub-GHz connectivity across open fields.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 calc(25% - 12px); min-width: 160px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff; box-sizing: border-box;\"\u003e\n\u003ch3 style=\"font-size: 15px; margin: 0 0 8px 0; color: #0056b3;\"\u003e🚚 Automotive \u0026amp; Fleet\u003c\/h3\u003e\n\u003cp style=\"font-size: 13px; color: #666; margin: 0;\"\u003eVehicle keyless entry systems, tire pressure monitors (TPMS), and OBD-based fleet trackers operating on the 433 MHz ISM band.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 25px;\"\u003eResources\u003c\/h2\u003e\n\u003ca href=\"https:\/\/www.cdebyte.com\/pdf-down.aspx?id=1255\" style=\"display: inline-block; padding: 12px 25px; background-color: #0056b3; color: #fff; text-decoration: none; border-radius: 6px; font-weight: 600; font-size: 15px;\" target=\"_blank\" rel=\"noopener\"\u003e📄 Download Datasheet — TX433-FPC-4810 (PDF)\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"border-top: 1px solid #eee; padding-top: 30px; margin-bottom: 20px;\"\u003e\n\u003ch2 style=\"font-size: 20px; color: #111; margin-bottom: 20px;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdiv style=\"margin-bottom: 20px; padding: 15px; background: #fafafa; border-radius: 8px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 6px;\"\u003eQ: Which 433 MHz wireless modules is the TX433-FPC-4810 compatible with?\u003c\/p\u003e\n\u003cp style=\"color: #555; margin: 0; font-size: 14px;\"\u003eA: The TX433-FPC-4810 uses a standard IPEX-1 (U.FL) connector with 50 Ω impedance, making it directly compatible with Semtech SX1276\/SX1278-based LoRa modules (e.g., EBYTE E32-433T, Hope RF RFM96W), Silicon Labs EFR32 Sub-GHz modules, and any 433 MHz transceiver with a U.FL port. No external matching network is required.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-bottom: 20px; padding: 15px; background: #fafafa; border-radius: 8px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 6px;\"\u003eQ: Can I trim or shorten the FPC antenna body to fit a smaller enclosure?\u003c\/p\u003e\n\u003cp style=\"color: #555; margin: 0; font-size: 14px;\"\u003eA: No. The 48 mm radiating element length is tuned to a quarter-wavelength resonance at 433 MHz (λ\/4 ≈ 173 mm in free space, reduced by the FPC substrate’s effective permittivity). Trimming the element will shift the resonant frequency upward and increase VSWR beyond 2.0, degrading range and efficiency. If a shorter form factor is required, contact our engineering team for a custom-tuned variant.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-bottom: 20px; padding: 15px; background: #fafafa; border-radius: 8px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 6px;\"\u003eQ: Where should the antenna be positioned inside the device enclosure?\u003c\/p\u003e\n\u003cp style=\"color: #555; margin: 0; font-size: 14px;\"\u003eA: Mount the FPC element on the inner surface of a non-metallic (ABS, PC, or nylon) enclosure wall, keeping at least 5 mm clearance from PCB ground planes, batteries, and metal shielding cans. Avoid routing the feeder cable parallel to the antenna element, as this can cause coupling and VSWR degradation. Orienting the antenna vertically maximizes omnidirectional coverage in the horizontal plane.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-bottom: 20px; padding: 15px; background: #fafafa; border-radius: 8px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 6px;\"\u003eQ: What is the operating temperature range and environmental suitability?\u003c\/p\u003e\n\u003cp style=\"color: #555; margin: 0; font-size: 14px;\"\u003eA: The TX433-FPC-4810 is rated for −40 °C to +85 °C, covering outdoor agricultural sensors, industrial control panels, and automotive interior applications. The FPC substrate is RoHS-compliant. For high-humidity or outdoor deployments, apply conformal coating over the FPC element or mount it inside a sealed IP-rated enclosure to prevent moisture ingress.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"padding: 15px; background: #fafafa; border-radius: 8px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 6px;\"\u003eQ: Is the 73 mm feeder cable length customizable for OEM production?\u003c\/p\u003e\n\u003cp style=\"color: #555; margin: 0; font-size: 14px;\"\u003eA: Yes. The standard feeder is 73 mm RF1.13 coaxial cable. Custom lengths are available for OEM orders — shorter cables reduce insertion loss (\u0026lt; 0.3 dB at 433 MHz for 73 mm), while longer cables up to ~200 mm add approximately 0.2–0.4 dB additional loss. Contact our sales team with your target cable length, connector type, and order quantity for a custom quotation.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/section\u003e\n\n\u003c\/div\u003e","brand":"cdsenet","offers":[{"title":"Default Title","offer_id":45204433797222,"sku":"tx433-fpc-4810","price":0.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-FPC-4810-_3_800x800_v2.jpg?v=1774594583"},{"product_id":"tx433-fpc-2906-433mhz-fpc-internal-antenna-2-0-dbi-vswr-1-5","title":"Cdsenet TX433-FPC-2906 433MHz FPC Internal Antenna 2.0 dBi VSWR≤1.5","description":"\u003cdiv style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1000px; margin: 0 auto; padding: 10px;\"\u003e\n\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 24px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 20px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; color: #444; margin-bottom: 20px;\"\u003eThe \u003cstrong\u003eTX433-FPC-2906\u003c\/strong\u003e is a compact 433 MHz FPC (Flexible Printed Circuit) internal antenna engineered for space-constrained IoT wireless applications. With a measured peak gain of \u003cstrong\u003e2.0 dBi\u003c\/strong\u003e and VSWR ≤ 1.5 across 423–443 MHz, it delivers reliable sub-1GHz RF performance in a \u003cstrong\u003e29 × 6 mm\u003c\/strong\u003e footprint. The 90° flying 1.13 mm coaxial lead enables flexible routing inside plastic enclosures. Suitable for LoRa modules, smart home sensors, wireless meter reading, and industrial telemetry. \u003cem\u003eUpdated March 2026.\u003c\/em\u003e\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-FPC-2906.png?v=1774598236\" alt=\"TX433-FPC-2906 433MHz FPC internal antenna 29x6mm with 1.13mm flying lead for IoT wireless modules\" loading=\"lazy\" style=\"max-width:100%; border-radius:6px;\"\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; margin-bottom: 15px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; text-align: left; border: 1px solid #ececec;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f9f9f9; border-bottom: 2px solid #eee;\"\u003e\n\u003cth style=\"padding: 12px; font-weight: bold; color: #333;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 12px; font-weight: bold; color: #333;\"\u003eTechnical Value\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eFrequency Range\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e423 – 443 MHz (center: 433 MHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003ePeak Gain\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e2.0 dBi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eVSWR\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; font-weight: bold; color: #e4393c;\"\u003e≤ 1.5 (verified by Agilent E5071C VNA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eConnector \/ Interface\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eWelding \/ IPEX (optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eAntenna Material\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eFPC (Flexible Printed Circuit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e29 mm × 6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eCable\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e1.13 mm coaxial, 90° flying lead\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eImpedance\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e50 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eCertification\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eCE \/ RoHS compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eUpdated\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eMarch 2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 25px;\"\u003eProduct Details\u003c\/h2\u003e\n\u003cdiv style=\"background: #ffffff; border: 1px solid #eee; border-radius: 8px; padding: 20px; margin-bottom: 20px;\"\u003e\n\u003ch3 style=\"font-size: 18px; color: #111; margin: 0 0 10px 0;\"\u003eSelf-Adhesive FPC Patch — Clean Internal Integration\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eHigh-quality adhesive backing allows direct mounting inside plastic enclosures without drilling or external hardware. The FPC substrate conforms to curved surfaces, maintaining consistent 2.0 dBi gain even in tight housings. Ideal for sealed IoT devices where external antenna ports are not feasible.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-FPC-2906-2.png?v=1774598236\" alt=\"TX433-FPC-2906 FPC antenna adhesive backing for internal mounting inside IoT device enclosure\" loading=\"lazy\" style=\"max-width:100%; border-radius:6px;\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #ffffff; border: 1px solid #eee; border-radius: 8px; padding: 20px;\"\u003e\n\u003ch3 style=\"font-size: 18px; color: #111; margin: 0 0 10px 0;\"\u003e90° Flying 1.13 mm Lead — Flexible Routing, Reduced Stress\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eThe 90-degree angled coaxial lead minimizes bending radius requirements and reduces mechanical stress at the solder joint. Compatible with standard IPEX\/U.FL connectors (optional), enabling tool-free connection to common 433 MHz RF modules such as SX1278-based LoRa boards.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; margin-bottom: 15px;\"\u003eProfessional Test Report\u003c\/h2\u003e\n\u003cdiv style=\"background-color: #f8fbff; border: 1px solid #e1ecf7; border-radius: 8px; padding: 20px; text-align: center;\"\u003e\n\u003cp style=\"font-size: 15px; color: #1e3a8a; margin-bottom: 15px;\"\u003eVSWR measured at \u003cstrong\u003e≤ 1.5\u003c\/strong\u003e across 423–443 MHz using an \u003cstrong\u003eAgilent E5071C\u003c\/strong\u003e Vector Network Analyzer. Return loss \u0026gt; 14 dB confirms efficient power transfer with minimal reflection.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-FPC-2906-3.png?v=1774598236\" alt=\"TX433-FPC-2906 VSWR test chart 433MHz measured by Agilent E5071C VNA showing VSWR below 1.5\" loading=\"lazy\" style=\"max-width:100%; border-radius:6px;\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f8fbff; border: 1px solid #e1ecf7; border-radius: 8px; padding: 20px; text-align: center; margin-top: 16px;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-FPC-2906-4.png?v=1774598236\" alt=\"TX433-FPC-2906 antenna radiation pattern and gain measurement at 433MHz\" loading=\"lazy\" style=\"max-width:100%; border-radius:6px;\"\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; margin-bottom: 25px;\"\u003eIdeal Applications\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 20px;\"\u003e\n\u003cdiv style=\"flex: 1 1 300px; min-width: 280px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n\u003ch3 style=\"font-size: 17px; margin: 0 0 8px 0; color: #0056b3;\"\u003eLoRa \u0026amp; Sub-1GHz Wireless Modules\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 0;\"\u003eCompatible with SX1276\/SX1278-based LoRa modules and standard 433 MHz RF transceivers for long-range, low-power data transmission up to several kilometers in open environments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; min-width: 280px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n\u003ch3 style=\"font-size: 17px; margin: 0 0 8px 0; color: #0056b3;\"\u003eSmart Home \u0026amp; Security\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 0;\"\u003eWireless door\/window sensors, remote controls, smart meter reading (AMR), and alarm systems operating on the 433 MHz ISM band.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; min-width: 280px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n\u003ch3 style=\"font-size: 17px; margin: 0 0 8px 0; color: #0056b3;\"\u003eIndustrial Telemetry \u0026amp; SCADA\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 0;\"\u003eRemote sensor nodes, pipeline monitoring, and industrial automation controllers requiring compact embedded antennas in sealed enclosures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; min-width: 280px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n\u003ch3 style=\"font-size: 17px; margin: 0 0 8px 0; color: #0056b3;\"\u003eAgriculture \u0026amp; Environmental Monitoring\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 0;\"\u003eSoil moisture sensors, weather stations, and livestock tracking devices deployed in field conditions where a low-profile internal antenna is preferred.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 25px;\"\u003eResources\u003c\/h2\u003e\n\u003ca href=\"https:\/\/www.cdebyte.com\/pdf-down.aspx?id=1255\" style=\"display: inline-block; padding: 12px 25px; background-color: #0056b3; color: #fff; text-decoration: none; border-radius: 6px; font-weight: 600; font-size: 15px;\" target=\"_blank\"\u003eDownload Datasheet (PDF)\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"border-top: 1px solid #eee; padding-top: 30px;\"\u003e\n\u003ch2 style=\"font-size: 20px; color: #111; margin-bottom: 20px;\"\u003eFAQ\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 5px;\"\u003eQ: Which RF modules is the TX433-FPC-2906 compatible with?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px;\"\u003eA: The TX433-FPC-2906 is compatible with any 433 MHz RF module with a 50 Ω impedance interface, including SX1276\/SX1278-based LoRa modules, CC1101, and Si4432 transceivers. The welding interface suits direct PCB integration, while the optional IPEX connector supports plug-and-play connection to modules with U.FL ports. Ensure the module's operating frequency falls within 423–443 MHz for optimal VSWR ≤ 1.5 performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 5px;\"\u003eQ: How should I install this antenna inside a device enclosure?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px;\"\u003eA: Clean the mounting surface with isopropyl alcohol and allow it to dry. Peel the adhesive backing and press the FPC antenna firmly onto a non-metallic (plastic or PCB) surface, keeping it at least 5 mm away from metal components or ground planes to avoid detuning. Route the 1.13 mm flying lead to the module connector without sharp bends (minimum bend radius: 5 mm). Avoid placing the antenna directly behind metal shielding cans.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 5px;\"\u003eQ: What are the environmental and durability ratings?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px;\"\u003eA: The TX433-FPC-2906 is an internal antenna intended for use within a sealed device enclosure. The FPC substrate operates reliably across a temperature range of -40°C to +85°C, suitable for industrial and outdoor IoT deployments when housed in an IP-rated enclosure. The product is RoHS compliant, ensuring it is free from hazardous substances including lead, mercury, and cadmium.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 5px;\"\u003eQ: What is the maximum transmit power this antenna supports?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px;\"\u003eA: The TX433-FPC-2906 is rated for use with standard low-power wireless modules, supporting input power up to 5 W (37 dBm). For typical LoRa and 433 MHz ISM band applications, transmit power is usually 10–100 mW (10–20 dBm), well within the antenna's operating range. Exceeding the rated power may damage the FPC substrate or degrade VSWR performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 5px;\"\u003eQ: Is the TX433-FPC-2906 CE and RoHS certified?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px;\"\u003eA: Yes. The TX433-FPC-2906 is CE marked and RoHS compliant, meeting European Union electromagnetic compatibility (EMC) and hazardous substance directives. This makes it suitable for integration into end products targeting EU markets. Download the full datasheet above for certification documentation details.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c\/div\u003e","brand":"cdsenet","offers":[{"title":"Default Title","offer_id":45204538392678,"sku":"tx433-fpc-2906","price":0.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-FPC-2906-_2_800x800_v2.jpg?v=1773473923"},{"product_id":"tx433-fpc-3208-433mhz-fpc-antenna-2dbi-ipex-1","title":"Cdsenet TX433-FPC-3208 433MHz FPC Built-in Antenna 2dBi IPEX-1","description":"\u003cdiv style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1000px; margin: 0 auto; padding: 10px;\"\u003e\n\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 24px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 20px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; color: #444; margin-bottom: 20px;\"\u003eThe \u003cstrong\u003eTX433-FPC-3208\u003c\/strong\u003e is a 433 MHz built-in FPC (Flexible Printed Circuit) antenna designed for compact sub-1 GHz IoT integration. With a \u003cstrong\u003e2.0 dBi peak gain\u003c\/strong\u003e, \u003cstrong\u003eVSWR ≤ 1.5\u003c\/strong\u003e, and an ultra-slim \u003cstrong\u003e32 × 8 mm\u003c\/strong\u003e footprint, it delivers stable omnidirectional coverage for LoRa, FSK, and OOK wireless modules. The gold-plated \u003cstrong\u003eIPEX-1 (U.FL)\u003c\/strong\u003e connector and 1.13 mm coaxial cable minimize insertion loss, making it suitable for industrial telemetry, smart home security, agricultural sensors, and remote control systems. \u003cem\u003eUpdated March 2026.\u003c\/em\u003e\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-FPC-3208-3.png?v=1774597583\" alt=\"TX433-FPC-3208 433MHz FPC built-in antenna with IPEX-1 connector, 32x8mm flexible PCB design for IoT devices\" loading=\"lazy\"\u003e\u003cbr\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; margin-bottom: 15px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; text-align: left; border: 1px solid #ececec;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f9f9f9; border-bottom: 2px solid #eee;\"\u003e\n\u003cth style=\"padding: 12px; font-weight: bold; color: #333;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 12px; font-weight: bold; color: #333;\"\u003eTechnical Value\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eFrequency Range\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e423 – 443 MHz (433 MHz Center, Sub-1 GHz ISM Band)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003ePeak Gain\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e2.0 dBi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eVSWR\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; font-weight: bold; color: #e4393c;\"\u003e≤ 1.5 (Excellent Impedance Matching)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eImpedance\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e50 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eConnector Type\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eIPEX-1 \/ IPX-I (U.FL Compatible), Gold-Plated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eCable Type\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e1.13 mm Coaxial (Low-Loss)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eAntenna Size\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e32 × 8 mm (FPC Substrate)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eAntenna Material\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eFPC (Flexible Printed Circuit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eMounting\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eAdhesive Backing (Non-Metallic Surfaces)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eCertification\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eCE \/ RoHS Compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eUpdated\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eMarch 2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 25px;\"\u003eProduct Details\u003c\/h2\u003e\n\u003cdiv style=\"background: #ffffff; border: 1px solid #eee; border-radius: 8px; padding: 20px; margin-bottom: 20px;\"\u003e\n\u003ch3 style=\"font-size: 18px; color: #111; margin: 0 0 10px 0;\"\u003eUltra-Slim FPC Radiator — 32 × 8 mm Bend-to-Fit\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eThe TX433-FPC-3208 uses a precision-tuned flexible printed circuit radiator measuring just 32 × 8 mm. Its ultra-slim profile allows it to be curved or adhered to the inner surfaces of non-metallic device housings — plastic, glass, or ceramic — without requiring additional mounting brackets. The adhesive backing enables fast, tool-free installation in high-volume production environments.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-FPC-3208.png?v=1774597584\" alt=\"TX433-FPC-3208 flexible FPC antenna 32x8mm with adhesive backing for non-metallic IoT device enclosures\" loading=\"lazy\"\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #ffffff; border: 1px solid #eee; border-radius: 8px; padding: 20px;\"\u003e\n\u003ch3 style=\"font-size: 18px; color: #111; margin: 0 0 10px 0;\"\u003eGold-Plated IPEX-1 Connector — Minimal Insertion Loss\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eThe antenna is terminated with a gold-plated IPEX-1 (MHF1\/U.FL) connector via a 1.13 mm low-loss coaxial cable. This connector type is directly compatible with mainstream 433 MHz wireless modules including EBYTE E32, E22, and SX1278-based designs. The gold plating ensures corrosion resistance and stable contact impedance at 50 Ω over extended operational cycles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; margin-bottom: 15px;\"\u003eProfessional Test Report\u003c\/h2\u003e\n\u003cdiv style=\"background-color: #f8fbff; border: 1px solid #e1ecf7; border-radius: 8px; padding: 20px; text-align: center;\"\u003e\n\u003cp style=\"font-size: 15px; color: #1e3a8a; margin-bottom: 15px;\"\u003eMeasured with precision RF vector network analyzers. VSWR verified at \u003cstrong\u003e≤ 1.5\u003c\/strong\u003e at center frequency \u003cstrong\u003e433 MHz\u003c\/strong\u003e, confirming stable impedance matching and low reflected power across the 423–443 MHz operating band.\u003c\/p\u003e\n\u003cdiv style=\"background: #fff; border: 1px dashed #abc; padding: 20px; margin-bottom: 15px;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-FPC-3208-1.png?v=1774597583\" alt=\"TX433-FPC-3208 VSWR test chart showing ≤1.5 across 423-443MHz measured by RF vector network analyzer\" loading=\"lazy\"\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff; border: 1px dashed #abc; padding: 20px;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-FPC-3208-2.png?v=1774597584\" alt=\"TX433-FPC-3208 return loss S11 test report showing signal performance across 433MHz sub-GHz ISM band\" loading=\"lazy\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; margin-bottom: 25px;\"\u003eIdeal Applications\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 20px;\"\u003e\n\u003cdiv style=\"flex: 1 1 300px; min-width: 280px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n\u003ch3 style=\"font-size: 17px; margin: 0 0 8px 0; color: #0056b3;\"\u003eIndustrial Wireless Telemetry\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 0;\"\u003eRemote data acquisition units, pipeline monitoring nodes, and industrial control systems using 433 MHz FSK or LoRa protocols for long-range, low-power communication.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; min-width: 280px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n\u003ch3 style=\"font-size: 17px; margin: 0 0 8px 0; color: #0056b3;\"\u003eSmart Home Security\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 0;\"\u003eWireless alarm panels, door\/window sensors, smart meters, and 433 MHz RF remote control receivers integrated into compact plastic enclosures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; min-width: 280px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n\u003ch3 style=\"font-size: 17px; margin: 0 0 8px 0; color: #0056b3;\"\u003eAgricultural IoT Sensors\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 0;\"\u003eSoil moisture monitors, weather stations, and greenhouse climate controllers using 433 MHz LoRa for wide-area, low-power sensor networks in outdoor environments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; min-width: 280px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n\u003ch3 style=\"font-size: 17px; margin: 0 0 8px 0; color: #0056b3;\"\u003eAutomotive \u0026amp; Fleet Tracking\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 0;\"\u003eAsset tracking units, vehicle telematics modules, and keyless entry systems requiring a low-profile internal antenna with reliable 433 MHz sub-GHz coverage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 25px;\"\u003eResources\u003c\/h2\u003e\n\u003ca href=\"https:\/\/www.cdebyte.com\/pdf-down.aspx?id=1256\" style=\"display: inline-block; padding: 12px 25px; background-color: #0056b3; color: #fff; text-decoration: none; border-radius: 6px; font-weight: 600; font-size: 15px;\" target=\"_blank\"\u003e📄 Download Datasheet (PDF)\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"border-top: 1px solid #eee; padding-top: 30px;\"\u003e\n\u003ch2 style=\"font-size: 20px; color: #111; margin-bottom: 20px;\"\u003eFAQ\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 5px;\"\u003eQ: Is the TX433-FPC-3208 compatible with EBYTE E32, E22, and SX1278-based LoRa modules?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px;\"\u003eA: Yes. The IPEX-1 (MHF1\/U.FL) connector is the standard interface on most 433 MHz sub-GHz wireless modules, including EBYTE E32-433T20D, E22-400T22S, and SX1278-based designs. The antenna operates at 50 Ω impedance and covers 423–443 MHz, matching the operating band of these modules without additional impedance matching components.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 5px;\"\u003eQ: Can this antenna be mounted on or near metal surfaces?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px;\"\u003eA: No. FPC antennas must be adhered to non-conductive surfaces such as plastic, glass, or ceramic. Proximity to metal will detune the antenna element, shifting the resonant frequency away from 433 MHz and significantly degrading VSWR and gain. For metal enclosures, an external whip or magnetic-mount antenna with appropriate ground plane is recommended instead.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 5px;\"\u003eQ: What is the operating temperature range and environmental durability?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px;\"\u003eA: The TX433-FPC-3208 is rated for operation from −40°C to +85°C, covering both indoor consumer electronics and outdoor industrial deployments. The FPC substrate and adhesive backing are resistant to humidity and minor mechanical vibration. For applications with direct moisture or dust exposure, ensure the host device provides adequate IP-rated enclosure protection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 5px;\"\u003eQ: What is the effective communication range with this antenna?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px;\"\u003eA: Range depends on the wireless module's transmit power, protocol, and environment. With a typical 20 dBm LoRa module (e.g., EBYTE E32-433T20D) in open-field line-of-sight conditions, communication ranges of 1–3 km are achievable. In urban or indoor environments with obstructions, expect 100–500 m. The 2.0 dBi gain of this antenna provides a measurable improvement over 0 dBi reference antennas.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 5px;\"\u003eQ: Does this antenna meet CE and RoHS compliance requirements?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px;\"\u003eA: Yes. The TX433-FPC-3208 is CE marked and RoHS compliant, meeting EU electromagnetic compatibility (EMC) directives and hazardous substance restrictions. It is suitable for integration into end products targeting European markets. Compliance documentation is available via the datasheet download link above.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c\/div\u003e","brand":"cdsenet","offers":[{"title":"Default Title","offer_id":45204845330534,"sku":"tx433-fpc-3208","price":0.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-FPC-3208-_3_800x800_v2.jpg?v=1773474332"},{"product_id":"tx433-fpc-4516","title":"Cdsenet TX433-FPC-4516 433MHz FPC Internal Antenna 2.0dBi IPX-I IoT","description":"\u003cdiv style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1000px; margin: 0 auto; padding: 10px;\"\u003e\n\n  \u003csection style=\"margin-bottom: 40px;\"\u003e\n    \u003ch2 style=\"font-size: 24px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 20px;\"\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp style=\"font-size: 16px; color: #444; margin-bottom: 20px;\"\u003e\n      The \u003cstrong\u003eTX433-FPC-4516\u003c\/strong\u003e is a 433MHz FPC (Flexible Printed Circuit) internal antenna designed for space-constrained IoT wireless terminals. It delivers a measured \u003cstrong\u003epeak gain of 2.0 dBi\u003c\/strong\u003e and a typical VSWR of \u003cstrong\u003e1.21 at 433MHz\u003c\/strong\u003e, covering the 423–443MHz sub-1GHz band. The compact \u003cstrong\u003e45 × 16mm\u003c\/strong\u003e form factor with a 120mm IPX-I feeder cable enables direct integration into LoRa, FSK, and OOK-based modules and devices. Updated March 2026.\n    \u003c\/p\u003e\n    \u003cimg src=\"https:\/\/www.cdebyte.com\/Uploadfiles\/Picture\/2021-3-26\/20213261741163484.jpg\" alt=\"TX433-FPC-4516 433MHz FPC internal IoT antenna front view\" loading=\"lazy\" decoding=\"async\" style=\"display: block; margin: 0 auto; max-width: 100%; height: auto; border-radius: 8px;\"\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin-bottom: 40px;\"\u003e\n    \u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 15px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n    \u003cdiv style=\"overflow-x: auto;\"\u003e\n      \u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; text-align: left; border: 1px solid #ececec;\"\u003e\n        \u003cthead\u003e\n          \u003ctr style=\"background-color: #f9f9f9; border-bottom: 2px solid #eee;\"\u003e\n            \u003cth style=\"padding: 12px; font-weight: bold; color: #333;\"\u003eParameter\u003c\/th\u003e\n            \u003cth style=\"padding: 12px; font-weight: bold; color: #333;\"\u003eValue\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eFrequency Range\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003e423 – 443 MHz (Center: 433 MHz)\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003ePeak Gain\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003e2.0 dBi\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eVSWR\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px; font-weight: bold; color: #c0392b;\"\u003e≤ 1.5 (Typ. 1.21 @ 433 MHz)\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eImpedance\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003e50 Ω\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eConnector Type\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003eIPX-I (IPEX Gen 1 \/ U.FL compatible)\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eCable Length\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003e120 mm (1.13mm coaxial)\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eAntenna Dimensions\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003e45 × 16 mm\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eRadiator Material\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003eFPC (Flexible Printed Circuit)\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eMax Input Power\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003e50 W\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eOperating Temperature\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003e-40 °C to +85 °C\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eCompliance\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003eRoHS\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #fafafa;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eLast Updated\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003eMarch 2026\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin-bottom: 40px;\"\u003e\n    \u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 25px;\"\u003eProduct Details\u003c\/h2\u003e\n    \u003cdiv style=\"background: #ffffff; border: 1px solid #eee; border-radius: 8px; padding: 20px; margin-bottom: 20px;\"\u003e\n      \u003ch3 style=\"font-size: 18px; color: #111; margin: 0 0 10px 0;\"\u003eFlexible FPC Radiator — Compact 45 × 16mm Footprint\u003c\/h3\u003e\n      \u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eThe precision-etched FPC substrate measures just 45 × 16mm, making it one of the smallest 433MHz internal antennas in its gain class. A 3M adhesive backing allows tool-free mounting on the inner wall of any non-metallic (ABS, PC, TPEE) enclosure. The flexible body withstands repeated bending without RF performance degradation, supporting high-volume automated assembly.\u003c\/p\u003e\n      \u003cimg src=\"https:\/\/www.cdebyte.com\/Uploadfiles\/Picture\/2021-3-26\/20213261741168124.jpg\" alt=\"TX433-FPC-4516 flexible FPC substrate 45x16mm compact form factor for IoT enclosure\" loading=\"lazy\" decoding=\"async\" style=\"max-width: 100%; height: auto; display: block; margin: 0 auto; border-radius: 4px;\"\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"background: #ffffff; border: 1px solid #eee; border-radius: 8px; padding: 20px;\"\u003e\n      \u003ch3 style=\"font-size: 18px; color: #111; margin: 0 0 10px 0;\"\u003eGold-Plated IPX-I Connector with 120mm 1.13mm Coaxial Feeder\u003c\/h3\u003e\n      \u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eThe gold-plated IPX-I (U.FL-compatible) connector ensures low-resistance mating with Ebyte E32, E22-400, and third-party 433MHz LoRa\/FSK modules. The 120mm 1.13mm-diameter coaxial feeder minimizes insertion loss while providing sufficient routing flexibility inside compact enclosures. No soldering required — press-fit installation in under 10 seconds.\u003c\/p\u003e\n      \u003cimg src=\"https:\/\/www.cdebyte.com\/Uploadfiles\/Picture\/2021-3-26\/20213261741164802.jpg\" alt=\"TX433-FPC-4516 gold-plated IPX-I connector and 120mm 1.13mm coaxial feeder cable\" loading=\"lazy\" decoding=\"async\" style=\"max-width: 100%; height: auto; display: block; margin: 0 auto; border-radius: 4px;\"\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin-bottom: 40px;\"\u003e\n    \u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 20px;\"\u003eProfessional Test Report\u003c\/h2\u003e\n    \u003cdiv style=\"background-color: #f8fbff; border: 1px solid #e1ecf7; border-radius: 8px; padding: 20px; text-align: center;\"\u003e\n      \u003cp style=\"font-size: 15px; color: #1e3a8a; margin-bottom: 15px;\"\u003eMeasured with a vector network analyzer (Agilent E5071C equivalent): VSWR = \u003cstrong\u003e1.21 @ 433 MHz\u003c\/strong\u003e, confirming ≤1.5 across the full 423–443 MHz operating band. Return loss ≥ 18 dB at center frequency.\u003c\/p\u003e\n      \u003cimg src=\"https:\/\/www.cdebyte.com\/Uploadfiles\/Picture\/2021-3-26\/20213261741162464.jpg\" alt=\"TX433-FPC-4516 VSWR test chart 433MHz measured with Agilent network analyzer\" loading=\"lazy\" decoding=\"async\" style=\"max-width: 100%; height: auto; border-radius: 4px;\"\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin-bottom: 40px;\"\u003e\n    \u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 25px;\"\u003eIdeal Applications\u003c\/h2\u003e\n    \u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 20px;\"\u003e\n      \u003cdiv style=\"flex: 1 1 220px; min-width: 200px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n        \u003ch3 style=\"font-size: 16px; margin: 0 0 8px 0; color: #0056b3;\"\u003eIndustrial IoT \u0026amp; LoRa\u003c\/h3\u003e\n        \u003cp style=\"font-size: 14px; color: #666; margin: 0;\"\u003eLong-range data acquisition nodes, pipeline monitoring, and factory automation using 433MHz LoRa or FSK modules.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv style=\"flex: 1 1 220px; min-width: 200px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n        \u003ch3 style=\"font-size: 16px; margin: 0 0 8px 0; color: #0056b3;\"\u003eSmart Utilities \u0026amp; Metering\u003c\/h3\u003e\n        \u003cp style=\"font-size: 14px; color: #666; margin: 0;\"\u003eWireless water, gas, and electricity meter reading systems requiring compact internal antennas with reliable sub-1GHz coverage.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv style=\"flex: 1 1 220px; min-width: 200px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n        \u003ch3 style=\"font-size: 16px; margin: 0 0 8px 0; color: #0056b3;\"\u003eSmart Home \u0026amp; Security\u003c\/h3\u003e\n        \u003cp style=\"font-size: 14px; color: #666; margin: 0;\"\u003eWireless alarm panels, remote keyless entry, and 433MHz RF remote control receivers in residential and commercial installations.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv style=\"flex: 1 1 220px; min-width: 200px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n        \u003ch3 style=\"font-size: 16px; margin: 0 0 8px 0; color: #0056b3;\"\u003eAgricultural Sensors\u003c\/h3\u003e\n        \u003cp style=\"font-size: 14px; color: #666; margin: 0;\"\u003eSoil moisture, temperature, and environmental monitoring nodes deployed across wide field areas with LoRa long-range connectivity.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin-bottom: 40px;\"\u003e\n    \u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 25px;\"\u003eResources\u003c\/h2\u003e\n    \u003ca href=\"https:\/\/www.cdebyte.com\/pdf-down.aspx?id=1259\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display: inline-block; padding: 12px 25px; background-color: #0056b3; color: #fff; text-decoration: none; border-radius: 6px; font-weight: 600; font-size: 15px;\"\u003e📄 Download Datasheet (PDF)\u003c\/a\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"border-top: 1px solid #eee; padding-top: 30px;\"\u003e\n    \u003ch2 style=\"font-size: 20px; color: #111; margin-bottom: 20px;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n    \u003cdiv style=\"margin-bottom: 20px; padding: 15px; background: #fafafa; border-radius: 8px;\"\u003e\n      \u003cp style=\"font-weight: bold; margin-bottom: 6px;\"\u003eQ: Is the TX433-FPC-4516 compatible with LoRa modules such as Ebyte E32-433T20D?\u003c\/p\u003e\n      \u003cp style=\"color: #555; margin: 0; font-size: 14px;\"\u003eA: Yes. The TX433-FPC-4516 uses a standard IPX-I (U.FL) connector and is electrically matched to 50Ω systems at 433MHz. It is directly compatible with Ebyte E32, E22-400, and any third-party LoRa, FSK, or OOK module with an IPX-I socket in the 423–443MHz band. Confirm your module's connector generation (Gen 1 \/ IPX-I) before ordering, as IPX-4 (MHF4) connectors are not interchangeable.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 20px; padding: 15px; background: #fafafa; border-radius: 8px;\"\u003e\n      \u003cp style=\"font-weight: bold; margin-bottom: 6px;\"\u003eQ: Can this antenna be installed inside a metal enclosure?\u003c\/p\u003e\n      \u003cp style=\"color: #555; margin: 0; font-size: 14px;\"\u003eA: No. Placing any FPC or PCB antenna inside a metallic housing causes severe signal attenuation and VSWR degradation due to RF shielding. The TX433-FPC-4516 must be mounted on the inner surface of a non-metallic (ABS, PC, or TPEE) enclosure. Maintain a minimum clearance of 5mm from any metal component to preserve the rated 2.0 dBi gain and ≤1.5 VSWR.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 20px; padding: 15px; background: #fafafa; border-radius: 8px;\"\u003e\n      \u003cp style=\"font-weight: bold; margin-bottom: 6px;\"\u003eQ: Does antenna orientation affect communication range?\u003c\/p\u003e\n      \u003cp style=\"color: #555; margin: 0; font-size: 14px;\"\u003eA: Yes. The TX433-FPC-4516 has a directional radiation pattern at 433MHz. Incorrect placement orientation can reduce effective range by 20–40% compared to optimal positioning. Refer to the radiation pattern diagram in the datasheet (PDF above) for recommended mounting orientation relative to the target communication direction.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 20px; padding: 15px; background: #fafafa; border-radius: 8px;\"\u003e\n      \u003cp style=\"font-weight: bold; margin-bottom: 6px;\"\u003eQ: What is the operating temperature range and environmental durability?\u003c\/p\u003e\n      \u003cp style=\"color: #555; margin: 0; font-size: 14px;\"\u003eA: The TX433-FPC-4516 is rated for -40°C to +85°C, suitable for industrial and outdoor deployment. The FPC substrate is RoHS-compliant and resistant to humidity under standard operating conditions. For harsh outdoor environments, ensure the host enclosure provides adequate IP-rated sealing; the antenna itself is not independently IP-rated.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"padding: 15px; background: #fafafa; border-radius: 8px;\"\u003e\n      \u003cp style=\"font-weight: bold; margin-bottom: 6px;\"\u003eQ: How do I mount the TX433-FPC-4516 inside my device?\u003c\/p\u003e\n      \u003cp style=\"color: #555; margin: 0; font-size: 14px;\"\u003eA: Peel the 3M adhesive backing and press the FPC flat against the inner wall of a non-metallic enclosure. Route the 120mm coaxial feeder to your module's IPX-I socket and press-fit the connector until it clicks. Avoid bending the feeder cable at a radius under 5mm. No soldering is required. Installation takes under 10 seconds and is compatible with automated production line assembly.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n\u003c\/div\u003e","brand":"cdsenet","offers":[{"title":"Default Title","offer_id":45204911095910,"sku":"tx433-fpc-4516","price":0.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-FPC-4516-_3_800x800_v2.jpg?v=1773474442"},{"product_id":"tx433-fpc-5711-433mhz-fpc-antenna-2-5dbi-ipx-i","title":"Cdsenet TX433-FPC-5711 433MHz FPC Internal Antenna 2.5dBi IPX-I IoT","description":"\u003cdiv style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1000px; margin: 0 auto; padding: 10px;\"\u003e\n\n  \u003csection style=\"margin-bottom: 40px;\"\u003e\n    \u003ch2 style=\"font-size: 24px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 20px;\"\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp style=\"font-size: 16px; color: #444; margin-bottom: 20px;\"\u003e\n      The \u003cstrong\u003eTX433-FPC-5711\u003c\/strong\u003e is a 433MHz FPC (Flexible Printed Circuit) internal antenna engineered for compact IoT wireless terminals. It delivers a measured \u003cstrong\u003epeak gain of 2.5 dBi\u003c\/strong\u003e and a typical VSWR of \u003cstrong\u003e1.21 at 433MHz\u003c\/strong\u003e, covering the 423–443MHz sub-1GHz band. The ultra-slim \u003cstrong\u003e57 × 10.5mm\u003c\/strong\u003e form factor with a 168mm IPX-I feeder cable enables seamless integration into space-constrained enclosures for LoRa, FSK, and OOK-based devices. Updated March 2026.\n    \u003c\/p\u003e\n    \u003cimg src=\"https:\/\/www.cdebyte.com\/Uploadfiles\/Picture\/2023-3-22\/20233221512404100.jpg\" alt=\"TX433-FPC-5711 433MHz FPC internal IoT antenna front view\" loading=\"lazy\" decoding=\"async\" style=\"display: block; margin: 0 auto; max-width: 100%; height: auto; border-radius: 8px;\"\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin-bottom: 40px;\"\u003e\n    \u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 15px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n    \u003cdiv style=\"overflow-x: auto;\"\u003e\n      \u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; text-align: left; border: 1px solid #ececec;\"\u003e\n        \u003cthead\u003e\n          \u003ctr style=\"background-color: #f9f9f9; border-bottom: 2px solid #eee;\"\u003e\n            \u003cth style=\"padding: 12px; font-weight: bold; color: #333;\"\u003eParameter\u003c\/th\u003e\n            \u003cth style=\"padding: 12px; font-weight: bold; color: #333;\"\u003eValue\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eFrequency Range\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003e423 – 443 MHz (Center: 433 MHz)\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003ePeak Gain\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003e2.5 dBi\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eVSWR\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px; font-weight: bold; color: #c0392b;\"\u003e≤ 1.5 (Typ. 1.21 @ 433 MHz)\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eImpedance\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003e50 Ω\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eConnector Type\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003eIPX-I (IPEX Gen 1 \/ U.FL compatible)\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eCable Length\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003e168 mm\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eAntenna Dimensions\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003e57 × 10.5 mm\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eRadiator Material\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003eFPC (Flexible Printed Circuit)\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eMax Input Power\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003e50 W\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eOperating Temperature\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003e-40 °C to +85 °C\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eCompliance\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003eRoHS\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #fafafa;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eLast Updated\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003eMarch 2026\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin-bottom: 40px;\"\u003e\n    \u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 25px;\"\u003eProduct Details\u003c\/h2\u003e\n    \u003cdiv style=\"background: #ffffff; border: 1px solid #eee; border-radius: 8px; padding: 20px; margin-bottom: 20px;\"\u003e\n      \u003ch3 style=\"font-size: 18px; color: #111; margin: 0 0 10px 0;\"\u003eFlexible FPC Radiator — Bend-to-Fit Design\u003c\/h3\u003e\n      \u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eThe FPC substrate allows the antenna to conform to curved or irregular inner surfaces of non-metallic enclosures. A 3M adhesive backing enables tool-free mounting, reducing assembly time in high-volume production. The flexible body withstands repeated bending without degrading RF performance.\u003c\/p\u003e\n      \u003cimg src=\"https:\/\/www.cdebyte.com\/Uploadfiles\/Picture\/2023-3-22\/20233221512403166.jpg\" alt=\"TX433-FPC-5711 flexible FPC substrate bend detail for IoT enclosure mounting\" loading=\"lazy\" decoding=\"async\" style=\"max-width: 100%; height: auto; display: block; margin: 0 auto; border-radius: 4px;\"\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"background: #ffffff; border: 1px solid #eee; border-radius: 8px; padding: 20px;\"\u003e\n      \u003ch3 style=\"font-size: 18px; color: #111; margin: 0 0 10px 0;\"\u003eIPX-I Connector with 168mm Feeder Cable\u003c\/h3\u003e\n      \u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eThe standard IPX-I (U.FL-compatible) connector mates directly with Ebyte E32, E22, and third-party 433MHz LoRa\/FSK modules. The 168mm low-loss coaxial feeder provides routing flexibility inside enclosures while maintaining signal integrity at sub-1GHz frequencies.\u003c\/p\u003e\n      \u003cimg src=\"https:\/\/www.cdebyte.com\/Uploadfiles\/Picture\/2023-3-22\/20233221512406830.jpg\" alt=\"TX433-FPC-5711 IPX-I connector and 168mm feeder cable detail\" loading=\"lazy\" decoding=\"async\" style=\"max-width: 100%; height: auto; display: block; margin: 0 auto; border-radius: 4px;\"\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin-bottom: 40px;\"\u003e\n    \u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 20px;\"\u003eProfessional Test Report\u003c\/h2\u003e\n    \u003cdiv style=\"background-color: #f8fbff; border: 1px solid #e1ecf7; border-radius: 8px; padding: 20px; text-align: center;\"\u003e\n      \u003cp style=\"font-size: 15px; color: #1e3a8a; margin-bottom: 15px;\"\u003eMeasured with a vector network analyzer (Agilent E5071C equivalent): VSWR = \u003cstrong\u003e1.21 @ 433 MHz\u003c\/strong\u003e, confirming ≤1.5 across the full 423–443 MHz operating band. Return loss ≥ 18 dB at center frequency.\u003c\/p\u003e\n      \u003cimg src=\"https:\/\/www.cdebyte.com\/Uploadfiles\/Picture\/2023-3-22\/20233221512404987.jpg\" alt=\"TX433-FPC-5711 VSWR test chart 433MHz measured with network analyzer\" loading=\"lazy\" decoding=\"async\" style=\"max-width: 100%; height: auto; border-radius: 4px;\"\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin-bottom: 40px;\"\u003e\n    \u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 25px;\"\u003eIdeal Applications\u003c\/h2\u003e\n    \u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 20px;\"\u003e\n      \u003cdiv style=\"flex: 1 1 220px; min-width: 200px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n        \u003ch3 style=\"font-size: 16px; margin: 0 0 8px 0; color: #0056b3;\"\u003eIndustrial IoT \u0026amp; Telemetry\u003c\/h3\u003e\n        \u003cp style=\"font-size: 14px; color: #666; margin: 0;\"\u003eLong-range data acquisition nodes, pipeline monitoring, and factory automation using 433MHz LoRa or FSK modules.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv style=\"flex: 1 1 220px; min-width: 200px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n        \u003ch3 style=\"font-size: 16px; margin: 0 0 8px 0; color: #0056b3;\"\u003eSmart Home \u0026amp; Security\u003c\/h3\u003e\n        \u003cp style=\"font-size: 14px; color: #666; margin: 0;\"\u003eWireless alarm panels, remote keyless entry, smart meters, and 433MHz RF remote control receivers.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv style=\"flex: 1 1 220px; min-width: 200px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n        \u003ch3 style=\"font-size: 16px; margin: 0 0 8px 0; color: #0056b3;\"\u003eAgricultural Sensors\u003c\/h3\u003e\n        \u003cp style=\"font-size: 14px; color: #666; margin: 0;\"\u003eSoil moisture, temperature, and environmental monitoring nodes deployed across wide field areas.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv style=\"flex: 1 1 220px; min-width: 200px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n        \u003ch3 style=\"font-size: 16px; margin: 0 0 8px 0; color: #0056b3;\"\u003eAsset Tracking\u003c\/h3\u003e\n        \u003cp style=\"font-size: 14px; color: #666; margin: 0;\"\u003eFleet management, logistics container tracking, and warehouse inventory systems requiring sub-1GHz penetration.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin-bottom: 40px;\"\u003e\n    \u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 25px;\"\u003eResources\u003c\/h2\u003e\n    \u003ca href=\"https:\/\/www.cdebyte.com\/pdf-down.aspx?id=1260\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display: inline-block; padding: 12px 25px; background-color: #0056b3; color: #fff; text-decoration: none; border-radius: 6px; font-weight: 600; font-size: 15px;\"\u003e📄 Download Datasheet (PDF)\u003c\/a\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"border-top: 1px solid #eee; padding-top: 30px;\"\u003e\n    \u003ch2 style=\"font-size: 20px; color: #111; margin-bottom: 20px;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n    \u003cdiv style=\"margin-bottom: 20px; padding: 15px; background: #fafafa; border-radius: 8px;\"\u003e\n      \u003cp style=\"font-weight: bold; margin-bottom: 6px;\"\u003eQ: Is the TX433-FPC-5711 compatible with LoRa modules such as Ebyte E32-433T20D?\u003c\/p\u003e\n      \u003cp style=\"color: #555; margin: 0; font-size: 14px;\"\u003eA: Yes. The TX433-FPC-5711 uses a standard IPX-I (U.FL) connector and is electrically matched to 50Ω systems operating at 433MHz. It is directly compatible with Ebyte E32, E22-400, and any third-party LoRa, FSK, or OOK module with an IPX-I socket in the 423–443MHz band. Verify your module's connector generation before ordering.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 20px; padding: 15px; background: #fafafa; border-radius: 8px;\"\u003e\n      \u003cp style=\"font-weight: bold; margin-bottom: 6px;\"\u003eQ: Can this antenna be installed inside a metal enclosure?\u003c\/p\u003e\n      \u003cp style=\"color: #555; margin: 0; font-size: 14px;\"\u003eA: No. Placing any FPC or PCB antenna inside a metallic housing will cause severe signal attenuation and VSWR degradation due to RF shielding. The TX433-FPC-5711 must be mounted on the inner surface of a non-metallic (ABS, PC, or TPEE) enclosure. Maintain a minimum clearance of 5mm from any metal component to preserve the rated 2.5 dBi gain.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 20px; padding: 15px; background: #fafafa; border-radius: 8px;\"\u003e\n      \u003cp style=\"font-weight: bold; margin-bottom: 6px;\"\u003eQ: What is the operating temperature range and environmental durability?\u003c\/p\u003e\n      \u003cp style=\"color: #555; margin: 0; font-size: 14px;\"\u003eA: The TX433-FPC-5711 is rated for -40°C to +85°C, covering industrial and outdoor deployment scenarios. The FPC substrate is RoHS-compliant and resistant to humidity under standard operating conditions. For harsh outdoor environments, ensure the host enclosure provides adequate IP-rated sealing; the antenna itself is not independently IP-rated.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 20px; padding: 15px; background: #fafafa; border-radius: 8px;\"\u003e\n      \u003cp style=\"font-weight: bold; margin-bottom: 6px;\"\u003eQ: How do I mount the antenna inside my device?\u003c\/p\u003e\n      \u003cp style=\"color: #555; margin: 0; font-size: 14px;\"\u003eA: Peel the 3M adhesive backing and press the FPC flat against the inner wall of a non-metallic enclosure. Route the 168mm coaxial feeder to your module's IPX-I socket and press-fit the connector until it clicks. Avoid sharp bends in the feeder cable with a radius under 5mm. No soldering is required. For production lines, a pick-and-place compatible variant is available on request.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"padding: 15px; background: #fafafa; border-radius: 8px;\"\u003e\n      \u003cp style=\"font-weight: bold; margin-bottom: 6px;\"\u003eQ: What is the difference between IPX-I and IPX-4 connectors?\u003c\/p\u003e\n      \u003cp style=\"color: #555; margin: 0; font-size: 14px;\"\u003eA: IPX (IPEX) connectors are generational standards. IPX-I (Generation 1) is the most common U.FL-style micro coaxial connector used in IoT modules and is what the TX433-FPC-5711 uses. IPX-4 (MHF4) is a smaller, higher-frequency variant used in Wi-Fi 5\/6 and 5G modules. They are not interchangeable. Always confirm your module's connector generation before purchasing.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n\u003c\/div\u003e","brand":"cdsenet","offers":[{"title":"Default Title","offer_id":45204941176934,"sku":"tx433-fpc-5711","price":0.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-FPC-5711-_3_800x800_v2.jpg?v=1773474474"},{"product_id":"tx433-pcb-3207-433mhz-pcb-antenna-2-0dbi-ipx-i","title":"Cdsenet TX433-PCB-3207 433MHz PCB Internal Antenna 2.0dBi IPX-I IoT","description":"\u003cdiv style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1000px; margin: 0 auto; padding: 10px;\"\u003e\n\n  \u003csection style=\"margin-bottom: 40px;\"\u003e\n    \u003ch2 style=\"font-size: 24px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 20px;\"\u003eProduct Overview\u003c\/h2\u003e\n    \u003cp style=\"font-size: 16px; color: #444; margin-bottom: 20px;\"\u003eThe \u003cstrong\u003eTX433-PCB-3207\u003c\/strong\u003e is a 433MHz PCB (Printed Circuit Board) internal antenna engineered for compact sub-1GHz IoT wireless modules. It delivers a measured \u003cstrong\u003epeak gain of 2.0 dBi\u003c\/strong\u003e and a typical VSWR of \u003cstrong\u003e1.39 at 433MHz\u003c\/strong\u003e, covering the 423–443MHz band used by LoRa, FSK, and OOK-based devices. The rigid \u003cstrong\u003e32 × 7mm\u003c\/strong\u003e PCB radiator with a 90mm IPX-I feeder cable provides a stable, low-profile mounting solution for wireless modules, smart meters, and industrial IoT terminals where a fixed-form antenna is preferred over flexible FPC alternatives. Updated March 2026.\u003c\/p\u003e\n    \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-PCB-3207.png?v=1774862151\" alt=\"TX433-PCB-3207 433MHz PCB internal IoT antenna front view with IPX-I connector\" loading=\"lazy\" decoding=\"async\" style=\"display: block; margin: 0 auto; max-width: 100%; height: auto; border-radius: 8px;\"\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin-bottom: 40px;\"\u003e\n    \u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 15px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n    \u003cdiv style=\"overflow-x: auto;\"\u003e\n      \u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; text-align: left; border: 1px solid #ececec;\"\u003e\n        \u003cthead\u003e\n          \u003ctr style=\"background-color: #f9f9f9; border-bottom: 2px solid #eee;\"\u003e\n            \u003cth style=\"padding: 12px; font-weight: bold; color: #333;\"\u003eParameter\u003c\/th\u003e\n            \u003cth style=\"padding: 12px; font-weight: bold; color: #333;\"\u003eValue\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eFrequency Range\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003e423 – 443 MHz (Center: 433 MHz)\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003ePeak Gain\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003e2.0 dBi\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eVSWR\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px; font-weight: bold; color: #c0392b;\"\u003e≤ 1.5 (Typ. 1.39 @ 433 MHz)\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eImpedance\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003e50 Ω\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eConnector Type\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003eIPX-I (IPEX Gen 1 \/ U.FL compatible)\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eCable Length\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003e90 mm\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eAntenna Dimensions\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003e32 × 7 mm\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eRadiator Material\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003ePCB (Printed Circuit Board, rigid)\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eMax Input Power\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003e50 W\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eOperating Temperature\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003e-40 °C to +85 °C\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eCompliance\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003eRoHS\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color: #fafafa;\"\u003e\n            \u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eLast Updated\u003c\/td\u003e\n            \u003ctd style=\"padding: 12px;\"\u003eMarch 2026\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin-bottom: 40px;\"\u003e\n    \u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 25px;\"\u003eProduct Details\u003c\/h2\u003e\n    \u003cdiv style=\"background: #ffffff; border: 1px solid #eee; border-radius: 8px; padding: 20px; margin-bottom: 20px;\"\u003e\n      \u003ch3 style=\"font-size: 18px; color: #111; margin: 0 0 10px 0;\"\u003eRigid PCB Radiator — 32 × 7mm Stable Form Factor\u003c\/h3\u003e\n      \u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eUnlike FPC antennas, the TX433-PCB-3207 uses a rigid PCB substrate that maintains a fixed geometry after installation, ensuring consistent impedance matching and repeatable VSWR performance across production batches. The 32 × 7mm footprint fits standard module PCB keep-out zones and can be secured with a mounting hole or adhesive pad. The rigid body is resistant to deformation from vibration, making it suitable for industrial and automotive applications.\u003c\/p\u003e\n      \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-PCB-3207-1.png?v=1774862152\" alt=\"TX433-PCB-3207 rigid PCB radiator 32x7mm form factor detail for 433MHz IoT module\" loading=\"lazy\" decoding=\"async\" style=\"max-width: 100%; height: auto; display: block; margin: 0 auto; border-radius: 4px;\"\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"background: #ffffff; border: 1px solid #eee; border-radius: 8px; padding: 20px;\"\u003e\n      \u003ch3 style=\"font-size: 18px; color: #111; margin: 0 0 10px 0;\"\u003eIPX-I Connector with 90mm Low-Loss Feeder\u003c\/h3\u003e\n      \u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eThe standard IPX-I (U.FL-compatible) connector mates directly with Ebyte E32, E22-400, and third-party 433MHz LoRa\/FSK modules. The 90mm coaxial feeder provides sufficient routing clearance between the antenna mounting position and the module socket, while keeping cable-induced insertion loss minimal at sub-1GHz frequencies. Press-fit installation requires no soldering and is compatible with automated assembly lines.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin-bottom: 40px;\"\u003e\n    \u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 20px;\"\u003eProfessional Test Report\u003c\/h2\u003e\n    \u003cdiv style=\"background-color: #f8fbff; border: 1px solid #e1ecf7; border-radius: 8px; padding: 20px; text-align: center; margin-bottom: 20px;\"\u003e\n      \u003cp style=\"font-size: 15px; color: #1e3a8a; margin-bottom: 15px;\"\u003eMeasured with a vector network analyzer (Agilent E5071C equivalent): VSWR = \u003cstrong\u003e1.39 @ 433 MHz\u003c\/strong\u003e, confirming ≤1.5 across the full 423–443 MHz operating band. Return loss ≥ 16 dB at center frequency.\u003c\/p\u003e\n      \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-PCB-3207-2.png?v=1774862151\" alt=\"TX433-PCB-3207 VSWR test chart 433MHz measured with Agilent network analyzer\" loading=\"lazy\" decoding=\"async\" style=\"max-width: 100%; height: auto; border-radius: 4px;\"\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"background-color: #f8fbff; border: 1px solid #e1ecf7; border-radius: 8px; padding: 20px; text-align: center;\"\u003e\n      \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-PCB-3207-3.png?v=1774862151\" alt=\"TX433-PCB-3207 radiation pattern test chart 433MHz omnidirectional PCB antenna\" loading=\"lazy\" decoding=\"async\" style=\"max-width: 100%; height: auto; border-radius: 4px;\"\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin-bottom: 40px;\"\u003e\n    \u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 25px;\"\u003eIdeal Applications\u003c\/h2\u003e\n    \u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 20px;\"\u003e\n      \u003cdiv style=\"flex: 1 1 220px; min-width: 200px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n        \u003ch3 style=\"font-size: 16px; margin: 0 0 8px 0; color: #0056b3;\"\u003eLoRa \u0026amp; FSK Wireless Modules\u003c\/h3\u003e\n        \u003cp style=\"font-size: 14px; color: #666; margin: 0;\"\u003eLong-range data acquisition nodes, pipeline monitoring, and factory automation using 433MHz LoRa or FSK modules with IPX-I sockets.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv style=\"flex: 1 1 220px; min-width: 200px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n        \u003ch3 style=\"font-size: 16px; margin: 0 0 8px 0; color: #0056b3;\"\u003eSmart Metering \u0026amp; Infrastructure\u003c\/h3\u003e\n        \u003cp style=\"font-size: 14px; color: #666; margin: 0;\"\u003eWireless water, gas, and electricity meter reading systems and power monitoring devices requiring a rigid, dimensionally stable internal antenna.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv style=\"flex: 1 1 220px; min-width: 200px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n        \u003ch3 style=\"font-size: 16px; margin: 0 0 8px 0; color: #0056b3;\"\u003eSecurity \u0026amp; Alarm Systems\u003c\/h3\u003e\n        \u003cp style=\"font-size: 14px; color: #666; margin: 0;\"\u003eWireless alarm panels, door\/window sensors, and 433MHz RF remote control receivers in residential and commercial security installations.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv style=\"flex: 1 1 220px; min-width: 200px; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n        \u003ch3 style=\"font-size: 16px; margin: 0 0 8px 0; color: #0056b3;\"\u003eAgricultural \u0026amp; Environmental Sensors\u003c\/h3\u003e\n        \u003cp style=\"font-size: 14px; color: #666; margin: 0;\"\u003eSoil moisture, temperature, and environmental monitoring nodes using 433MHz sub-1GHz for wide-area field coverage with low power consumption.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"margin-bottom: 40px;\"\u003e\n    \u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 25px;\"\u003eResources\u003c\/h2\u003e\n    \u003ca href=\"https:\/\/www.cdebyte.com\/pdf-down.aspx?id=1261\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display: inline-block; padding: 12px 25px; background-color: #0056b3; color: #fff; text-decoration: none; border-radius: 6px; font-weight: 600; font-size: 15px;\"\u003e📄 Download Datasheet (PDF)\u003c\/a\u003e\n  \u003c\/section\u003e\n\n  \u003csection style=\"border-top: 1px solid #eee; padding-top: 30px;\"\u003e\n    \u003ch2 style=\"font-size: 20px; color: #111; margin-bottom: 20px;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n    \u003cdiv style=\"margin-bottom: 20px; padding: 15px; background: #fafafa; border-radius: 8px;\"\u003e\n      \u003cp style=\"font-weight: bold; margin-bottom: 6px;\"\u003eQ: Is the TX433-PCB-3207 compatible with third-party 433MHz LoRa modules?\u003c\/p\u003e\n      \u003cp style=\"color: #555; margin: 0; font-size: 14px;\"\u003eA: Yes. The TX433-PCB-3207 uses a standard IPX-I (U.FL) connector and is electrically matched to 50Ω systems at 433MHz. It is compatible with Ebyte E32, E22-400, Semtech SX1276-based modules, and any third-party LoRa, FSK, or OOK module with an IPX-I socket in the 423–443MHz band. Confirm your module uses IPX-I (Gen 1) rather than IPX-4 (MHF4), as they are not interchangeable.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 20px; padding: 15px; background: #fafafa; border-radius: 8px;\"\u003e\n      \u003cp style=\"font-weight: bold; margin-bottom: 6px;\"\u003eQ: What is the difference between a PCB antenna and an FPC antenna at 433MHz?\u003c\/p\u003e\n      \u003cp style=\"color: #555; margin: 0; font-size: 14px;\"\u003eA: A PCB antenna uses a rigid substrate that maintains a fixed geometry after installation, providing consistent impedance matching and repeatable VSWR across production batches. An FPC antenna uses a flexible substrate that can conform to curved surfaces and is easier to route in irregular enclosures. Choose PCB (TX433-PCB-3207) when dimensional stability and vibration resistance are priorities; choose FPC (TX433-FPC-4516 \/ TX433-FPC-5711) when flexible mounting or curved surfaces are required.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 20px; padding: 15px; background: #fafafa; border-radius: 8px;\"\u003e\n      \u003cp style=\"font-weight: bold; margin-bottom: 6px;\"\u003eQ: Can this antenna be installed inside a metal enclosure?\u003c\/p\u003e\n      \u003cp style=\"color: #555; margin: 0; font-size: 14px;\"\u003eA: No. Placing any PCB or FPC antenna inside a metallic housing causes severe signal attenuation due to RF shielding. The TX433-PCB-3207 must be mounted inside a non-metallic (ABS, PC, or TPEE) enclosure with a minimum 5mm clearance from any metal component. For metal enclosures, use an external antenna with a bulkhead SMA connector instead.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"margin-bottom: 20px; padding: 15px; background: #fafafa; border-radius: 8px;\"\u003e\n      \u003cp style=\"font-weight: bold; margin-bottom: 6px;\"\u003eQ: How do I mount the TX433-PCB-3207 inside my device?\u003c\/p\u003e\n      \u003cp style=\"color: #555; margin: 0; font-size: 14px;\"\u003eA: The PCB radiator can be secured using a mounting hole (if present on the PCB) or a double-sided adhesive pad on the non-copper side. Route the 90mm coaxial feeder to your module's IPX-I socket and press-fit the connector until it clicks. Ensure the antenna is positioned parallel to the enclosure wall and away from battery packs, metal shielding cans, and other RF-absorbing components. No soldering is required.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"padding: 15px; background: #fafafa; border-radius: 8px;\"\u003e\n      \u003cp style=\"font-weight: bold; margin-bottom: 6px;\"\u003eQ: What is the operating temperature range and environmental durability?\u003c\/p\u003e\n      \u003cp style=\"color: #555; margin: 0; font-size: 14px;\"\u003eA: The TX433-PCB-3207 is rated for -40°C to +85°C, covering industrial and outdoor deployment scenarios. The PCB substrate is RoHS-compliant. The rigid PCB construction is more resistant to deformation from thermal cycling than FPC alternatives, making it suitable for applications with wide temperature swings. For direct outdoor exposure, ensure the host enclosure provides adequate IP-rated sealing.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n\u003c\/div\u003e","brand":"cdsenet","offers":[{"title":"Default Title","offer_id":45205439348838,"sku":"tx433-pcb-3207","price":0.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-PCB-3207-_3_800x800_v2.jpg?v=1773475063"},{"product_id":"tx400-blg-55","title":"TX400-BLG-55 433\/470MHz 6dBi N-Male FRP Antenna","description":"\u003cstyle\u003e\n  @media (max-width: 600px) {\n    .apps-grid-item { flex: 1 1 100% !important; max-width: 100% !important; }\n  }\n\u003c\/style\u003e\n\u003cdiv style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1000px; margin: 0 auto; padding: 10px;\"\u003e\n\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 24px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 20px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; color: #444; margin-bottom: 20px;\"\u003eThe \u003cstrong\u003eTX400-BLG-55\u003c\/strong\u003e is a professional-grade dual-band \u003cstrong\u003e433 MHz \/ 470 MHz\u003c\/strong\u003e omnidirectional fiberglass antenna engineered for stable, long-range sub-GHz IoT communications. Covering the broad \u003cstrong\u003e410–510 MHz\u003c\/strong\u003e spectrum in a single unit, it eliminates the need for separate 433 MHz and 470 MHz antennas — a key advantage over single-band alternatives. At \u003cstrong\u003e600 mm physical length\u003c\/strong\u003e, it is significantly more compact than 12 dBi high-gain variants (typically 1200 mm+), while still delivering a measured \u003cstrong\u003e6.0 dBi peak gain\u003c\/strong\u003e with \u003cstrong\u003eVSWR ≤ 1.5\u003c\/strong\u003e across the full band. Weighing only \u003cstrong\u003e183 g\u003c\/strong\u003e, it imposes minimal wind-load on pole and rooftop mounts. The sub-GHz wavelength (~69 cm at 433 MHz) provides inherently superior wall and foliage penetration compared to 2.4 GHz antennas, making this the preferred choice for outdoor LoRa gateways, smart metering base stations, and industrial telemetry nodes in obstructed environments. The \u003cstrong\u003eN-J (N Male) connector\u003c\/strong\u003e and \u003cstrong\u003eFRP (Fiberglass Reinforced Plastic)\u003c\/strong\u003e radome ensure low-loss RF coupling and all-weather structural integrity.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX400-BLG-55.png?v=1776072687\" alt=\"TX400-BLG-55 433MHz 470MHz 6dBi N-Male FRP omnidirectional antenna full view\" loading=\"lazy\"\u003e\u003cbr\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; margin-bottom: 15px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; text-align: left; border: 1px solid #ececec;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f9f9f9; border-bottom: 2px solid #eee;\"\u003e\n\u003cth style=\"padding: 12px; font-weight: bold; color: #333;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 12px; font-weight: bold; color: #333;\"\u003eTechnical Value\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eFrequency Range\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e410 – 510 MHz (433 MHz \u0026amp; 470 MHz Dual-Band)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003ePeak Gain\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e6.0 dBi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eVSWR\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; font-weight: bold; color: #e4393c;\"\u003e≤ 1.5 (full band)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eConnector Type\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eN-J (N Male)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eRadome Material\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eFRP (Fiberglass Reinforced Plastic, weather-resistant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003ePhysical Length\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e~600 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e183 g ± 1 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eImpedance\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e50 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eRadiation Pattern\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eOmnidirectional (horizontal plane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eCertification\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eCE \/ RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 13px; color: #888; margin-top: 10px; text-align: right;\"\u003eUpdated: April 2026\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 25px;\"\u003eProduct Details\u003c\/h2\u003e\n\u003cdiv style=\"background: #ffffff; border: 1px solid #eee; border-radius: 8px; padding: 20px; margin-bottom: 20px;\"\u003e\n\u003ch3 style=\"font-size: 18px; color: #111; margin: 0 0 10px 0;\"\u003eDual-Band 410–510 MHz Coverage \u0026amp; 6.0 dBi Sub-GHz Gain\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eA single TX400-BLG-55 covers both the 433 MHz (EU\/Asia ISM) and 470 MHz (CN LoRa) bands simultaneously, eliminating dual-antenna installations. At 433 MHz, the free-space wavelength is ~69 cm — these longer waves diffract around concrete structures and penetrate dense foliage far more effectively than 2.4 GHz signals. The 6.0 dBi gain moderately compresses the vertical beam, extending horizontal reach while preserving sufficient elevation coverage for sensors at varying heights across multi-story buildings or uneven terrain.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX400-BLG-55-4.png?v=1776072687\" alt=\"TX400-BLG-55 dual-band 433MHz 470MHz radiation pattern and 6dBi gain diagram\" loading=\"lazy\"\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #ffffff; border: 1px solid #eee; border-radius: 8px; padding: 20px;\"\u003e\n\u003ch3 style=\"font-size: 18px; color: #111; margin: 0 0 10px 0;\"\u003eUltra-Lightweight 183 g Construction \u0026amp; Industrial N-J Interface\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eAt 183 g, the TX400-BLG-55 is among the lightest antennas in its gain class, reducing mechanical torque on pole mounts and rooftop brackets — critical for long-term structural integrity in high-wind installations. The N-J (N Male) connector provides a 50 Ω impedance-matched, weatherproof RF interface rated for high-power outdoor base station equipment. The FRP radome is UV-stabilized and fully waterproof, maintaining dimensional stability and RF transparency across extended outdoor deployments.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX400-BLG-55-3.png?v=1776072687\" alt=\"TX400-BLG-55 lightweight 183g construction and N-Male connector detail\" loading=\"lazy\"\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; margin-bottom: 15px;\"\u003eProfessional Test Report\u003c\/h2\u003e\n\u003cdiv style=\"background-color: #f8fbff; border: 1px solid #e1ecf7; border-radius: 8px; padding: 20px; text-align: center;\"\u003e\n\u003cp style=\"font-size: 15px; color: #1e3a8a; margin-bottom: 15px;\"\u003eValidated on a vector network analyzer across the 410–510 MHz wideband: \u003cstrong\u003eVSWR ≤ 1.5\u003c\/strong\u003e maintained at all measured frequency points across both 433 MHz and 470 MHz bands, confirming \u0026lt;4% reflected power and return loss exceeding 14 dB. Maximum energy transfer efficiency is sustained throughout the full operating spectrum.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX400-BLG-55-1.png?v=1776072687\" alt=\"TX400-BLG-55 VSWR test report showing ≤1.5 across 410-510 MHz dual-band\" loading=\"lazy\"\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f8fbff; border: 1px solid #e1ecf7; border-radius: 8px; padding: 20px; text-align: center; margin-top: 16px;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX400-BLG-55-2.png?v=1776072688\" alt=\"TX400-BLG-55 gain and radiation pattern test data at 433MHz and 470MHz\" loading=\"lazy\"\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; margin-bottom: 25px;\"\u003eIdeal Applications\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 16px;\"\u003e\n\u003cdiv class=\"apps-grid-item\" style=\"flex: 1 1 22%; max-width: 25%; box-sizing: border-box; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n\u003ch3 style=\"font-size: 17px; margin: 0 0 8px 0; color: #0056b3;\"\u003eLoRaWAN \u0026amp; Smart Metering\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin: 0;\"\u003eEstablishes centralized 433\/470 MHz data collection hubs in dense urban layouts, penetrating basements and multi-story buildings to aggregate water, gas, and electricity meter readings via LoRa or FSK protocols.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apps-grid-item\" style=\"flex: 1 1 22%; max-width: 25%; box-sizing: border-box; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n\u003ch3 style=\"font-size: 17px; margin: 0 0 8px 0; color: #0056b3;\"\u003eAgricultural IoT \u0026amp; Environmental Sensors\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin: 0;\"\u003eSub-GHz wavelengths bypass thick foliage and uneven farmland terrain, reliably connecting dispersed soil moisture, weather station, and livestock tracking sensors across large open fields.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apps-grid-item\" style=\"flex: 1 1 22%; max-width: 25%; box-sizing: border-box; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n\u003ch3 style=\"font-size: 17px; margin: 0 0 8px 0; color: #0056b3;\"\u003eIndustrial Telemetry \u0026amp; SCADA\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin: 0;\"\u003eMaintains seamless communication between automated machinery, SCADA systems, and control rooms across large factory floors and warehouses where 2.4 GHz signals suffer heavy multipath attenuation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apps-grid-item\" style=\"flex: 1 1 22%; max-width: 25%; box-sizing: border-box; border: 1px solid #f0f0f0; border-radius: 10px; padding: 15px; background: #fff;\"\u003e\n\u003ch3 style=\"font-size: 17px; margin: 0 0 8px 0; color: #0056b3;\"\u003eWireless Alarm \u0026amp; Security Systems\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin: 0;\"\u003eServes as the low-latency communication backbone for sprawling residential and commercial security perimeters, where reliable signal propagation through walls is non-negotiable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"margin-bottom: 40px;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-bottom: 25px;\"\u003eResources\u003c\/h2\u003e\n\u003ca href=\"https:\/\/www.cdebyte.com\/pdf-down.aspx?id=3101\" style=\"display: inline-block; padding: 12px 25px; background-color: #0056b3; color: #fff; text-decoration: none; border-radius: 6px; font-weight: 600; font-size: 15px;\" target=\"_blank\"\u003e📄 Download Official Datasheet (PDF)\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection style=\"border-top: 1px solid #eee; padding-top: 30px;\"\u003e\n\u003ch2 style=\"font-size: 20px; color: #111; margin-bottom: 20px;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 5px;\"\u003eQ: Can the TX400-BLG-55's N-J (N Male) connector interface directly with standard 433 MHz SMA radio modules or indoor gateways?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px;\"\u003eA: No direct connection is possible. The N-J interface is a 50 Ω RF connector designed for high-power outdoor base station equipment, while most 433 MHz \/ 470 MHz IoT modules and indoor LoRa gateways use smaller SMA connectors. To bridge the two, use a low-loss \"N Female to SMA Male\" RF pigtail cable rated for sub-GHz frequencies. Ensure cable insertion loss is below 0.5 dB to preserve the antenna's 6.0 dBi gain advantage over the link budget.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 5px;\"\u003eQ: Why does the 410–510 MHz dual-band coverage matter for LoRa deployments in different regions?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px;\"\u003eA: LoRa operates on different sub-GHz frequencies by region: 433 MHz is the ISM band used across Europe and Asia, while 470–510 MHz is the CN470 band designated for China LoRaWAN deployments. The TX400-BLG-55's 100 MHz bandwidth (410–510 MHz) covers both allocations in a single antenna, making it suitable for multi-region gateway deployments without hardware changes. This eliminates the need to stock separate 433 MHz and 470 MHz antennas for different markets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 5px;\"\u003eQ: Does the 600 mm length and 183 g weight create structural risk on rooftop or pole mounts during high-wind conditions?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px;\"\u003eA: The 183 g mass is specifically engineered to minimize wind-load torque on mounting hardware. At sub-GHz frequencies, achieving 6.0 dBi gain requires a physically longer radiating element than at 2.4 GHz — the 600 mm length is the minimum necessary for this gain level. The FRP radome provides structural rigidity without adding significant weight, and the antenna's slim profile reduces aerodynamic drag. For permanent rooftop installations in high-wind zones, use a heavy-duty pole clamp rated for the mast diameter and verify the mount's wind-load specification against local building codes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c\/div\u003e","brand":"cdsenet","offers":[{"title":"Default Title","offer_id":45314746744934,"sku":"tx400-blg-55","price":40.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX400-BLG-55-_1_800x800_v2.jpg?v=1773986648"}],"url":"https:\/\/cdsenet.store\/collections\/433mhz.oembed","provider":"CDSENET, Built for the Wireless World","version":"1.0","type":"link"}