{"product_id":"tx170-jkd-20","title":"Cdsenet TX170-JKD-20 170MHz VHF Antenna 3.0dBi Gain SMA-J Connector","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\u003eTX170-JKD-20\u003c\/strong\u003e is a precision-engineered 170MHz VHF omnidirectional rubber duck antenna delivering \u003cstrong\u003e3.0 dBi gain\u003c\/strong\u003e with VSWR ¡Ü1.5 across the entire VHF band. Constructed with high-grade TPEE material and featuring a flexible 90-degree tilt \/ 360-degree rotation mechanism, this antenna ensures reliable signal transmission for industrial telemetry, VHF data modules, and remote control systems. The gold-plated SMA-J connector guarantees low insertion loss and extended mechanical durability in demanding environments. \u003cem\u003eUpdated March 2026.\u003c\/em\u003e\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX170-JKD-20.png?v=1773817382\" alt=\"TX170-JKD-20 170MHz VHF omnidirectional rubber duck antenna with 3.0 dBi gain and SMA-J 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;\"\u003e170 MHz (VHF 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;\"\u003e3.0 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 @ 170 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;\"\u003eSMA-J (SMA Male, gold-plated center pin)\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 Height\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e200 mm (7.87 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;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eTPEE (Thermoplastic Elastomer)\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;\"\u003eFlexible Folding Structure for Optimal Signal Positioning\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eThe antenna features a precision-engineered 90-degree tilt mechanism and 360-degree rotation capability, enabling optimal signal alignment in confined spaces. The TPEE material provides superior flexibility and mechanical resilience, withstanding over 10,000 bend cycles without performance degradation. This design is ideal for portable VHF devices requiring compact storage and rapid deployment.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX170-JKD-20-4.png?v=1773817381\" alt=\"TX170-JKD-20 flexible folding antenna structure with 90-degree tilt and 360-degree rotation\" 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 SMA-J Connector for Maximum Reliability\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eThe precision-machined SMA-J (SMA Male) connector features a nickel-plated brass body with a gold-plated center pin, ensuring insertion loss below 0.2 dB and maintaining stable impedance matching across temperature extremes. The connector is rated for 500+ mating cycles and provides IP67-level sealing when properly installed, making it suitable for industrial and outdoor applications.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX170-JKD-20-3.png?v=1773817384\" alt=\"TX170-JKD-20 gold-plated SMA-J connector with low insertion loss\" 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 Agilent E5071C Network Analyzer at 170MHz center frequency: VSWR measured consistently \u003cstrong\u003ebelow 1.5\u003c\/strong\u003e across the operational bandwidth, ensuring stable RF transmission with minimal reflected power. Return loss (S11) exceeds -14 dB, confirming excellent impedance matching to 50¦¸ systems.\u003c\/p\u003e\n\u003cp style=\"font-size: 15px; color: #1e3a8a; margin-bottom: 15px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX170-JKD-20-1.png?v=1773817384\" alt=\"TX170-JKD-20 VSWR test chart measured with Agilent E5071C showing VSWR below 1.5 at 170MHz\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 15px; color: #1e3a8a; margin-bottom: 15px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX170-JKD-20-2.png?v=1773817384\" alt=\"TX170-JKD-20 S11 return loss and Smith Chart impedance plot\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp style=\"color: #999; font-style: italic; font-size: 12px;\"\u003e(Full S11 \/ VSWR \/ Smith Chart data available in technical datasheet)\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;\"\u003eVHF Wireless Communication\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eOptimized for long-range VHF walkie-talkies, two-way radios, and low-frequency data transmission modules operating in the 170MHz 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 Remote Control\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eReliable RF link for industrial automation, crane control systems, and remote telemetry applications requiring stable VHF connectivity.\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 Agriculture Sensors\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eIdeal for environmental monitoring systems, soil sensors, and agricultural IoT devices leveraging VHF for extended range in rural areas.\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;\"\u003eFleet Tracking \u0026amp; Logistics\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eSuitable for vehicle tracking systems and logistics telemetry requiring robust VHF communication in challenging RF environments.\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\u003ca style=\"display: inline-block; padding: 12px 25px; background-color: #0056b3; color: #fff; text-decoration: none; border-radius: 6px; font-weight: 600; font-size: 15px;\" href=\"https:\/\/www.cdebyte.com\/pdf-down.aspx?id=4184\" target=\"_blank\"\u003e?? Download Technical Datasheet (PDF)\u003c\/a\u003e\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: Is this antenna compatible with 433MHz or 2.4GHz wireless modules?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px; line-height: 1.6;\"\u003eA: No, the TX170-JKD-20 is specifically tuned for the 170MHz VHF band. Using it on other frequencies (such as 433MHz UHF or 2.4GHz ISM band) will result in high VSWR (\u0026gt;3.0), significant signal reflection, and potential damage to your RF transceiver. For 433MHz applications, please refer to our TX433 series antennas; for 2.4GHz, explore our TX2400 series.\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 type of connector does my device need to interface with this antenna?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px; line-height: 1.6;\"\u003eA: This antenna features an SMA-J (SMA Male) connector with internal threading and an internal center pin. Your device must have an SMA-K (SMA Female) connector to mate properly. The connector is gold-plated for corrosion resistance and rated for 500+ mating cycles. Ensure proper torque (5-8 in-lbs) during installation to maintain IP67 sealing and optimal electrical contact.\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 withstand outdoor and industrial environments?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px; line-height: 1.6;\"\u003eA: Yes, the TX170-JKD-20 is designed for demanding environments. The TPEE material provides excellent UV resistance, chemical resistance, and mechanical flexibility across an operating temperature range of -40¡ãC to +85¡ãC. The antenna is RoHS compliant and, when properly installed with the SMA connector sealed, achieves IP67-level protection against dust and temporary water immersion. It has been tested for over 10,000 bend cycles without performance degradation, making it suitable for industrial automation, outdoor telemetry, and mobile applications.\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: How do I install and optimize the antenna for best performance?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px; line-height: 1.6;\"\u003eA: For optimal performance, mount the antenna vertically with clear line-of-sight to the target receiver. Avoid mounting near large metal surfaces or inside metal enclosures, as this will detune the antenna and increase VSWR. The flexible design allows 90-degree tilting and 360-degree rotation for fine-tuning signal direction. Use a 50¦¸ coaxial cable (such as RG58 or LMR-195) if extending the antenna from the device. Always verify VSWR after installation using a network analyzer or SWR meter to ensure VSWR remains below 2.0 for reliable operation.\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 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: Range depends on multiple factors including transmitter power, receiver sensitivity, terrain, and environmental conditions. With a typical 100mW (20dBm) VHF transmitter and -110dBm receiver sensitivity, you can expect line-of-sight range of 1-3 km in open areas. The 3.0 dBi gain provides approximately 2x range improvement compared to a 0 dBi reference antenna. For extended range applications, consider using higher transmit power (within regulatory limits) or deploying repeaters in challenging terrain.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"cdsenet","offers":[{"title":"Default Title","offer_id":45195913756774,"sku":"tx170-jkd-20","price":1.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX170-JKD-20-_2_800x800_v2.jpg?v=1773459739","url":"https:\/\/cdsenet.store\/products\/tx170-jkd-20","provider":"CDSENET, Built for the Wireless World","version":"1.0","type":"link"}