{"product_id":"tx433-blg-40-433mhz-4-5dbi-n-male-frp-antenna","title":"TX433-BLG-40 433MHz 4.5dBi 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\u003eTX433-BLG-40\u003c\/strong\u003e is a professional-grade \u003cstrong\u003e433MHz\u003c\/strong\u003e omnidirectional fiberglass antenna engineered for space-constrained yet demanding outdoor IoT deployments. With a compact \u003cstrong\u003e400mm physical length\u003c\/strong\u003e and weighing only \u003cstrong\u003e145g\u003c\/strong\u003e, it perfectly balances wind-load resistance with high-performance RF radiation. Operating in the \u003cstrong\u003e420–450 MHz\u003c\/strong\u003e Sub-GHz spectrum, its longer wavelengths provide superior physical penetration through concrete walls, heavy machinery, and urban infrastructure compared to 2.4GHz alternatives. Delivering a reliable \u003cstrong\u003e4.5 dBi peak gain\u003c\/strong\u003e with a \u003cstrong\u003eVSWR ≤ 1.5\u003c\/strong\u003e, it ensures minimal signal reflection and efficient energy transfer. Encased in an industrial-grade \u003cstrong\u003eFRP (Fiberglass Reinforced Plastic)\u003c\/strong\u003e radome and equipped with a robust \u003cstrong\u003eN-J (N Male) connector\u003c\/strong\u003e, the TX433-BLG-40 is the ultimate compact solution for outdoor LoRa gateways, smart metering bases, and wireless telemetry nodes operating in harsh environments.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX2400-BLG-120.png?v=1776070517\" alt=\"TX433-BLG-40 433MHz 4.5dBi N-Male FRP compact omnidirectional antenna\" 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;\"\u003e420 – 450 MHz (433MHz Sub-GHz 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;\"\u003e4.5 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≤ 1.5\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 (Weather-resistant Fiberglass)\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~ 400 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;\"\u003e145g ± 5g\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\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;\"\u003eSolving Space Constraints with a 400mm Compact Profile\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eUnlike cumbersome 1.2-meter antennas that are difficult to mount in tight industrial spaces or low-clearance areas, the TX433-BLG-40 offers a highly streamlined 400mm profile. Weighing an ultra-light 145g, it drastically reduces mechanical stress on mounting brackets and minimizes wind-load resistance. Despite its compact size, the internally optimized copper oscillators maintain a solid 4.5 dBi gain, providing excellent omnidirectional coverage without the bulk.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX2400-BLG-120-4.png?v=1776070518\" alt=\"TX433-BLG-40 compact 400mm structure and internal array 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;\"\u003eSub-GHz Penetration for Complex Environments\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin-bottom: 15px;\"\u003eStandard high-frequency signals (like 2.4GHz) easily bounce off physical barriers. By operating strictly within the 420-450MHz Sub-GHz band, this antenna utilizes longer wavelengths to naturally diffract around and penetrate thick concrete buildings, heavy factory machinery, and dense forest canopies. It resolves the core pain point of weak signal penetration, effectively eliminating communication dead zones in complex urban or industrial layouts.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX2400-BLG-120-5.png?v=1776070518\" alt=\"TX433-BLG-40 Sub-GHz penetrating radiation diagram\" 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 420–450 MHz band: \u003cstrong\u003eVSWR ≤ 1.5\u003c\/strong\u003e ensures extreme energy transfer efficiency. This low reflection rate guarantees that your expensive RF modules operate at peak thermal efficiency without burning out from reflected power during continuous telemetry broadcasts.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX2400-BLG-120-1.png?v=1776070517\" alt=\"TX433-BLG-40 VSWR test report chart showing ≤1.5 across 420-450 MHz\" 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: 25px;\"\u003eIdeal Applications \u0026amp; Ebyte Module Synergy\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 16px;\"\u003e\n\u003cdiv class=\"apps-grid-item\" style=\"flex: 1 1 45%; 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;\"\u003eSynergy with Ebyte E22 LoRa Modules\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin: 0;\"\u003e\u003cstrong\u003ePain Point Resolved: Weak Signal Penetration.\u003c\/strong\u003e When paired with Ebyte's SX1262-based \u003cstrong\u003eE22 series\u003c\/strong\u003e LoRa modules, this 4.5dBi antenna maximizes the LoRa spread-spectrum penetration advantage. Quantitative field tests show that replacing a standard 2dBi whip antenna with the TX433-BLG-40 boosts the deep-indoor packet reception rate of an E22 module by up to \u003cstrong\u003e35% in densely built urban environments\u003c\/strong\u003e, effortlessly piercing through multiple concrete walls for smart metering applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apps-grid-item\" style=\"flex: 1 1 45%; 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;\"\u003eSynergy with Ebyte E73\/Sub-GHz Transceivers\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin: 0;\"\u003e\u003cstrong\u003ePain Point Resolved: Co-channel Interference \u0026amp; Instability.\u003c\/strong\u003e In highly congested factory floors saturated with 2.4GHz Wi-Fi\/Bluetooth noise, pairing Ebyte's Sub-GHz transceivers with this precisely tuned 433MHz FRP antenna completely bypasses high-frequency interference. The stable VSWR (≤1.5) ensures continuous, reflection-free energy transfer, stabilizing long-distance links and maintaining \u003cstrong\u003e99.9% telemetry data delivery success rates\u003c\/strong\u003e over 5-8 kilometer LOS distances.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apps-grid-item\" style=\"flex: 1 1 45%; 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;\"\u003eCompact Smart Agriculture Nodes\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin: 0;\"\u003ePerfect for establishing decentralized 433MHz data collection hubs across sprawling farmlands. The compact 400mm frame makes it easy to mount on small solar-powered sensor poles without creating top-heavy wind loads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apps-grid-item\" style=\"flex: 1 1 45%; 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;\"\u003eConfined Space Industrial Telemetry\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #666; margin: 0;\"\u003eIts highly sealed FRP radome and N-Male connector are immune to factory dust and oil. The 400mm length is specifically tailored for low-clearance manufacturing environments and indoor automated guided vehicle (AGV) routing systems.\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 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=1015\" 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 I directly attach the N-J (N Male) connector to the SMA ports on Ebyte E22 or E73 modules?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px;\"\u003eA: No, direct physical connection is not possible. Ebyte's compact E22 and E73 series modules typically feature IPEX or SMA interfaces designed for PCBs. Since the TX433-BLG-40 is a rugged outdoor antenna equipped with an industrial N-J connector, you will need a low-loss \"N Female to SMA Male\" RF adapter cable to bridge the connection securely without compromising the 4.5 dBi gain.\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 does the compact 400mm length compare to longer 1200mm antennas in terms of 433MHz performance?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px;\"\u003eA: While a 1200mm antenna offers higher gain (e.g., 8dBi) for extreme long-distance flat-terrain transmission, it compresses the vertical beam heavily and requires strict wind-load mounting. The 400mm TX433-BLG-40 provides a balanced 4.5 dBi gain, which naturally produces a wider vertical radiation angle. This makes it vastly superior for communicating with IoT nodes placed at varying elevations (like smart meters in basements or sensors on multi-level factory floors) while fitting easily into space-restricted areas.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 5px;\"\u003eQ: Is the 145g lightweight FRP radome durable enough for permanent outdoor exposure?\u003c\/p\u003e\n\u003cp style=\"color: #666; margin: 0; font-size: 14px;\"\u003eA: Absolutely. Despite its ultra-lightweight 145g construction, the FRP (Fiberglass Reinforced Plastic) shell is fully UV-stabilized, waterproof, and designed to withstand harsh outdoor elements. To ensure long-term stability, simply wrap the N-J connector joint at the base with professional waterproof amalgamating tape to prevent moisture from entering the RF pathway during heavy storms.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003c\/div\u003e","brand":"cdsenet","offers":[{"title":"Default Title","offer_id":45314746843238,"sku":"tx433-blg-20","price":17.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX433-BLG-20-_1_800x800_v2.jpg?v=1773986648","url":"https:\/\/cdsenet.store\/products\/tx433-blg-40-433mhz-4-5dbi-n-male-frp-antenna","provider":"CDSENET, Built for the Wireless World","version":"1.0","type":"link"}