{"product_id":"tx433-fpc-3208-433mhz-fpc-antenna-2dbi-ipex-1","title":"10PCS Cdsenet TX433-FPC-3208 433MHz FPC Built-in Antenna 2dBi IPEX-1 Compact Size","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\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\u003cdiv\u003e\u003cimg alt=\"TX433-FPC-3208 433MHz FPC built-in antenna with IPEX-1 connector, 32x8mm flexible PCB design for IoT devices\" cke-id=\"img32\" loading=\"lazy\" referrerpolicy=\"no-referrer\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-FPC-3208-3.png?v=1774597583\"\u003e\u003c\/div\u003e\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\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\t\u003cthead\u003e\n\t\t\u003ctr style=\"background-color: #f9f9f9; border-bottom: 2px solid #eee;\"\u003e\n\t\t\t\u003cth style=\"padding: 12px; font-weight: bold; color: #333;\"\u003eParameter\u003c\/th\u003e\n\t\t\t\u003cth style=\"padding: 12px; font-weight: bold; color: #333;\"\u003eTechnical Value\u003c\/th\u003e\n\t\t\u003c\/tr\u003e\n\t\u003c\/thead\u003e\n\t\u003ctbody\u003e\n\t\t\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\t\t\t\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eFrequency Range\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 12px;\"\u003e423 – 443 MHz (433 MHz Center, Sub-1 GHz ISM Band)\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\t\t\t\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003ePeak Gain\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 12px;\"\u003e2.0 dBi\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\t\t\t\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eVSWR\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 12px; font-weight: bold; color: #e4393c;\"\u003e≤ 1.5 (Excellent Impedance Matching)\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\t\t\t\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eImpedance\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 12px;\"\u003e50 Ω\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\t\t\t\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eConnector Type\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 12px;\"\u003eIPEX-1 \/ IPX-I (U.FL Compatible), Gold-Plated\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\t\t\t\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eCable Type\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 12px;\"\u003e1.13 mm Coaxial (Low-Loss)\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\t\t\t\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eAntenna Size\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 12px;\"\u003e32 × 8 mm (FPC Substrate)\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\t\t\t\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eAntenna Material\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 12px;\"\u003eFPC (Flexible Printed Circuit)\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\t\t\t\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eMounting\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 12px;\"\u003eAdhesive Backing (Non-Metallic Surfaces)\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"border-bottom: 1px solid #f0f0f0; background-color: #fafafa;\"\u003e\n\t\t\t\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eCertification\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 12px;\"\u003eCE \/ RoHS Compliant\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\t\t\t\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eUpdated\u003c\/td\u003e\n\t\t\t\u003ctd style=\"padding: 12px;\"\u003eMarch 2026\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\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;\"\u003eUltra-Slim FPC Radiator — 32 × 8 mm Bend-to-Fit\u003c\/h3\u003e\n\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\u003cdiv\u003e\u003cimg alt=\"TX433-FPC-3208 flexible FPC antenna 32x8mm with adhesive backing for non-metallic IoT device enclosures\" cke-id=\"img33\" loading=\"lazy\" referrerpolicy=\"no-referrer\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-FPC-3208.png?v=1774597584\"\u003e\u003c\/div\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;\"\u003eGold-Plated IPEX-1 Connector — Minimal Insertion Loss\u003c\/h3\u003e\n\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\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\n\u003cdiv style=\"background: #fff; border: 1px dashed #abc; padding: 20px; margin-bottom: 15px;\"\u003e\u003cdiv\u003e\u003cimg alt=\"TX433-FPC-3208 VSWR test chart showing ≤1.5 across 423-443MHz measured by RF vector network analyzer\" cke-id=\"img34\" loading=\"lazy\" referrerpolicy=\"no-referrer\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-FPC-3208-1.png?v=1774597583\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"background: #fff; border: 1px dashed #abc; padding: 20px;\"\u003e\u003cdiv\u003e\u003cimg alt=\"TX433-FPC-3208 return loss S11 test report showing signal performance across 433MHz sub-GHz ISM band\" cke-id=\"img35\" loading=\"lazy\" referrerpolicy=\"no-referrer\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-FPC-3208-2.png?v=1774597584\"\u003e\u003c\/div\u003e\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\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\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\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\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\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\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\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\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=\"http:\/\/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\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\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\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\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\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\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\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\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\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\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\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\u003c\/div\u003e\n","brand":"cdsenet","offers":[{"title":"Default Title","offer_id":45204845330534,"sku":"10*TX433-FPC-3208","price":3.99,"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","url":"https:\/\/cdsenet.store\/products\/tx433-fpc-3208-433mhz-fpc-antenna-2dbi-ipex-1","provider":"CDSENET, Built for the Wireless World","version":"1.0","type":"link"}