{"product_id":"tx4g-fpc-7021-4g-lte-nb-iot-3-0dbi-internal-fpc-antenna","title":"Cdsenet TX4G-FPC-7021 4G LTE\/NB-IoT 3.0dBi Internal 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\u003eTX4G-FPC-7021\u003c\/strong\u003e is a professional-grade internal FPC (Flexible Printed Circuit) antenna designed for multi-band 4G LTE, NB-IoT, and GPRS applications. Meticulously engineered for high-stability wireless communication, it features a \u003cstrong\u003e3.0 dBi peak gain\u003c\/strong\u003e in an ultra-compact 70x21mm form factor. Equipped with an \u003cstrong\u003eIPEX 1 interface\u003c\/strong\u003e and industrial 3M adhesive backing, it ensures reliable performance and easy integration for modern IoT environments.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX4G-FPC-7021-1.png?v=1775035405\" alt=\"\"\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;\"\u003e700 - 2700 MHz (4G LTE \/ NB-IoT)\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≤ 2.0\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;\"\u003eIPEX 1 (U.FL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #f0f0f0;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003eFPC Dimensions\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e70 mm x 21 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;\"\u003eCable Type \u0026amp; Length\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eRF1.13 Coaxial Cable (120 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;\"\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; background-color: #fafafa;\"\u003e\n\u003ctd style=\"padding: 12px; font-weight: 600;\"\u003ePolarization\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eLinear Polarization\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;\"\u003eInternal Flexible Design\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eAdopting a high-flexibility FPC radiator, this antenna can be easily mounted on curved surfaces inside plastic enclosures, making it perfect for space-constrained IoT terminals.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX4G-FPC-7021.png?v=1775035405\" alt=\"\"\u003e\u003c\/p\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;\"\u003eStandard IPEX 1 Interface\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eEquipped with a precision IPEX 1 connector and RF1.13 low-loss coaxial cable to ensure high-frequency signal integrity and durable connectivity.\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: 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 with \u003cstrong\u003eAgilent E5071C\u003c\/strong\u003e: VSWR measured at \u003cstrong\u003e≤ 2.0\u003c\/strong\u003e across all mainstream 4G bands.\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\/TX4G-FPC-7021-2.png?v=1775035405\" alt=\"\"\u003e\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;\"\u003eNB-IoT \u0026amp; Smart Metering\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eSmart home gateways, remote water\/gas meters, and environmental sensors.\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 4G Terminals\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eAsset tracking, industrial telemetry systems, and wireless DTU integration.\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 href=\"https:\/\/www.cdebyte.com\/pdf-down.aspx?id=1249\" 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\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: 15px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 5px;\"\u003eQ: Can this antenna be used on metal surfaces?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px;\"\u003eA: For FPC antennas, attaching directly to metal will affect performance. It is recommended to stick it to plastic housing or maintain a distance from metal components.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 5px;\"\u003eQ: Is the cable length customizable?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px;\"\u003eA: Yes, Ebyte provides customization for cable lengths and connector types based on project requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"cdsenet","offers":[{"title":"Default Title","offer_id":45301877538918,"sku":"tx4g-fpc-7021","price":0.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX4G-FPC-7021-_1_800x800_v2.jpg?v=1773986682","url":"https:\/\/cdsenet.store\/products\/tx4g-fpc-7021-4g-lte-nb-iot-3-0dbi-internal-fpc-antenna","provider":"CDSENET, Built for the Wireless World","version":"1.0","type":"link"}