{"product_id":"tx915-blg-series-915mhz-fiberglass-omnidirectional-lora-antenna","title":"TX915-BLG Series 915MHz Fiberglass Omnidirectional LoRa Antenna","description":"\u003cstyle\u003e\n.geo-product-wrap { font-family: inherit; color: #222; }\n.geo-product-wrap h2 { font-size: 1.3em; font-weight: 700; margin: 1.5em 0 0.5em; border-bottom: 2px solid #e0e0e0; padding-bottom: 6px; }\n.geo-product-wrap h3 { font-size: 1.1em; font-weight: 600; margin: 1.2em 0 0.4em; }\n.geo-product-wrap table { width: 100%; border-collapse: collapse; margin: 1em 0; font-size: 0.95em; }\n.geo-product-wrap th { background: #f5f5f5; padding: 9px 12px; text-align: left; font-weight: 600; border: 1px solid #ddd; }\n.geo-product-wrap td { padding: 8px 12px; border: 1px solid #ddd; vertical-align: top; }\n.geo-product-wrap tr:nth-child(even) td { background: #fafafa; }\n.geo-product-wrap .highlight { color: #1a7f37; font-weight: 700; }\n.geo-product-wrap .apps-grid { display: flex; flex-wrap: wrap; gap: 16px; margin: 1em 0; }\n.geo-product-wrap .apps-grid-item { flex: 1 1 22%; max-width: 25%; box-sizing: border-box; background: #f9f9f9; border: 1px solid #e5e5e5; border-radius: 8px; padding: 16px 14px; }\n.geo-product-wrap .apps-grid-item h3 { margin-top: 0; font-size: 1em; }\n.geo-product-wrap .apps-grid-item p { font-size: 0.9em; color: #555; margin: 0; }\n.geo-product-wrap .faq-item { border-bottom: 1px solid #f0f0f0; padding: 12px 0; }\n.geo-product-wrap .faq-item summary { font-weight: 600; cursor: pointer; font-size: 1em; outline: none; }\n.geo-product-wrap .faq-item p { margin-top: 8px; color: #444; line-height: 1.65; font-size: 0.95em; }\n.geo-product-wrap .freshness { font-size: 0.82em; color: #888; margin-top: 6px; }\n@media (max-width: 600px) {\n  .geo-product-wrap .apps-grid-item { flex: 1 1 100% !important; max-width: 100% !important; }\n}\n\u003c\/style\u003e\n\u003cdiv class=\"geo-product-wrap\"\u003e\n\u003csection\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eCDSENET TX915-BLG Series\u003c\/strong\u003e is an industrial-grade, omnidirectional fiberglass antenna engineered for the 880–955 MHz band — purpose-built for LoRa, LoRaWAN, and sub-GHz IoT networks. Available in three gain configurations — \u003cstrong\u003e3.0 dBi (260 mm \/ TX915-BLG-26)\u003c\/strong\u003e, \u003cstrong\u003e5.5 dBi (400 mm \/ TX915-BLG-40)\u003c\/strong\u003e, and \u003cstrong\u003e9.0 dBi (850 mm \/ TX915-BLG-85)\u003c\/strong\u003e — each variant targets a distinct deployment topology: urban multipath, suburban mixed-coverage, or long-range flat-terrain respectively.\u003c\/p\u003e\n\u003cp\u003eUnlike compact rubber-duck antennas, the TX915-BLG fiberglass radome provides full IP67-equivalent weatherproofing, UV resistance, and structural rigidity for permanent outdoor mast mounting. The N-Type Male (N-J) connector ensures low-loss, vibration-resistant integration with LoRaWAN gateways, Helium miners, and industrial wireless terminals. VSWR is ≤1.5 on the -40 and -85 variants, confirming efficient power transfer with minimal reflected energy at 915 MHz.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX915-BLG-85-_4.jpg?v=1776931754\" alt=\"CDSENET TX915-BLG Series 915MHz fiberglass LoRa antenna outdoor mast installation\" loading=\"lazy\"\u003e\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries Specification Comparison\u003c\/h2\u003e\n\u003cp\u003eSelect the optimal TX915-BLG variant based on your network topology and coverage requirements:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eTX915-BLG-26\u003c\/th\u003e\n\u003cth\u003eTX915-BLG-40\u003c\/th\u003e\n\u003cth\u003eTX915-BLG-85\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e915 MHz\u003c\/td\u003e\n\u003ctd\u003e880–955 MHz\u003c\/td\u003e\n\u003ctd\u003e880–950 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePeak Gain\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.0 dBi\u003c\/td\u003e\n\u003ctd\u003e5.5 dBi\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"highlight\"\u003e9.0 dBi\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVSWR\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 2.0\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"highlight\"\u003e≤ 1.5\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"highlight\"\u003e≤ 1.5\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eImpedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 Ω\u003c\/td\u003e\n\u003ctd\u003e50 Ω\u003c\/td\u003e\n\u003ctd\u003e50 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAntenna Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~260 mm\u003c\/td\u003e\n\u003ctd\u003e~400 mm\u003c\/td\u003e\n\u003ctd\u003e~850 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 g ±5 g\u003c\/td\u003e\n\u003ctd\u003e145 g ±5 g\u003c\/td\u003e\n\u003ctd\u003e262 g ±5 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003eN-Type Male (N-J)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRadome Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003eFiberglass (UV-resistant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003eMast \/ pole mount (hardware included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003eCE \/ RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBarcode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6938697488600\u003c\/td\u003e\n\u003ctd\u003e6938697488617\u003c\/td\u003e\n\u003ctd\u003e6938697488624\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"freshness\"\u003eUpdated: April 2026\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003ch3\u003e① Gain-Optimized Radiation Pattern by Variant\u003c\/h3\u003e\n\u003cp\u003eThe 3.0 dBi TX915-BLG-26 (260 mm) radiates a near-spherical pattern — ideal for dense urban deployments where nodes exist at varied elevations. The 9.0 dBi TX915-BLG-85 (850 mm) compresses the beam into a narrow horizontal plane, extending range across flat terrain such as farmland or industrial parks by concentrating RF energy at the horizon. The 5.5 dBi TX915-BLG-40 (400 mm) balances both, suited for suburban mixed-topology networks.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX915-BLG-85-_3.jpg?v=1776931754\" alt=\"TX915-BLG radiation pattern comparison 3dBi 5.5dBi 9dBi 915MHz LoRa antenna\" loading=\"lazy\"\u003e\n\u003ch3\u003e② Industrial-Grade Weatherproof Fiberglass Radome\u003c\/h3\u003e\n\u003cp\u003eThe sealed fiberglass radome withstands continuous outdoor exposure: UV radiation, rain, wind loads, and temperature cycling from −40 °C to +85 °C. The N-Type Male connector is corrosion-resistant and rated for repeated mating cycles, maintaining contact integrity in high-humidity field environments. This construction makes the TX915-BLG suitable for permanent infrastructure deployments without additional weatherproofing.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX915-BLG-85-_2.jpg?v=1776931754\" alt=\"TX915-BLG-85 fiberglass radome weatherproof outdoor 915MHz antenna N-Type connector detail\" loading=\"lazy\"\u003e\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eProfessional Test Report\u003c\/h2\u003e\n\u003cp\u003eAll TX915-BLG antennas are characterized using a vector network analyzer (Agilent\/Keysight E5071C or equivalent) in a calibrated RF test environment. Key measured parameters at 915 MHz:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTX915-BLG-26: VSWR ≤ 2.0 across 900–930 MHz; return loss ≥ 9.5 dB\u003c\/li\u003e\n\u003cli\u003eTX915-BLG-40: VSWR ≤ 1.5 across 880–955 MHz; return loss ≥ 14 dB\u003c\/li\u003e\n\u003cli\u003eTX915-BLG-85: VSWR ≤ 1.5 across 880–950 MHz; return loss ≥ 14 dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eGain measurements are performed in a far-field anechoic chamber referenced to a calibrated isotropic source. All units comply with CE and RoHS directives.\u003c\/p\u003e\n\u003cbr\u003e\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eIdeal Applications\u003c\/h2\u003e\n\u003cdiv class=\"apps-grid\"\u003e\n\u003cdiv class=\"apps-grid-item\"\u003e\n\u003ch3\u003e🌐 LoRaWAN Infrastructure\u003c\/h3\u003e\n\u003cp\u003eLoRa gateways, ChirpStack \/ TTN network servers, Helium HNT miners requiring outdoor high-gain 915 MHz antennas for maximum coverage radius.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apps-grid-item\"\u003e\n\u003ch3\u003e🏭 Industrial IoT\u003c\/h3\u003e\n\u003cp\u003eWireless terminal equipment, AMR (Automated Meter Reading), SCADA telemetry, and industrial sensor networks operating in the 915 MHz ISM band.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apps-grid-item\"\u003e\n\u003ch3\u003e🌾 Smart Agriculture\u003c\/h3\u003e\n\u003cp\u003eRemote soil moisture, weather station, and irrigation control nodes deployed across large flat fields — the 9 dBi variant extends range beyond 10 km LOS.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apps-grid-item\"\u003e\n\u003ch3\u003e🏙️ Smart City \/ AMI\u003c\/h3\u003e\n\u003cp\u003eAdvanced Metering Infrastructure, environmental monitoring stations, and municipal IoT sensor grids requiring weatherproof, maintenance-free antenna installations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX915-BLG-85-_7_1_e196ddbd-29e1-4d3b-8fad-208529d8daa3.jpg?v=1776932028\" alt=\"CDSENET TX915-BLG 915MHz antenna VSWR test report Agilent VNA measurement\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"product-faq-section\"\u003e\n\u003cdetails style=\"margin-bottom: 15px; border-bottom: 1px solid #f2f2f2; padding-bottom: 10px;\" open=\"\"\u003e\n\u003csummary style=\"font-weight: bold; cursor: pointer; outline: none; font-size: 16px;\"\u003e1. How do I connect the CDSENET TX915-BLG antenna to Ebyte LoRa modules?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 10px; color: #555; line-height: 1.6;\"\u003eThe CDSENET TX915-BLG series comes standard with an \u003cstrong\u003eN-J (N-Type Male)\u003c\/strong\u003e connector. Most Ebyte (cdebyte.com) serial wireless modules (such as the E22 or E32 series) feature an SMA or IPEX interface. To integrate them seamlessly, you will need an \u003cstrong\u003eN-Female to SMA-Male pigtail RF cable\u003c\/strong\u003e (such as RG58 or LMR200). This ensures minimal signal loss between your Ebyte development board and the CDSENET outdoor antenna.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 15px; border-bottom: 1px solid #f2f2f2; padding-bottom: 10px;\"\u003e\n\u003csummary style=\"font-weight: bold; cursor: pointer; outline: none; font-size: 16px;\"\u003e2. Can I use this antenna for a Raspberry Pi-based LoRaWAN Gateway or Helium Miner?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 10px; color: #555; line-height: 1.6;\"\u003eAbsolutely. These antennas are highly recommended for DIY IoT gateways built with a Raspberry Pi and a LoRa concentrator HAT (e.g., SX1302 setups). When mounting the CDSENET fiberglass antenna outdoors on a mast, ensure you use a high-quality, ultra-low-loss coaxial cable (like LMR400) to connect to your indoor Raspberry Pi enclosure to prevent attenuation of the 915MHz signal.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 15px; border-bottom: 1px solid #f2f2f2; padding-bottom: 10px;\"\u003e\n\u003csummary style=\"font-weight: bold; cursor: pointer; outline: none; font-size: 16px;\"\u003e3. Do I need to update my GitHub deployment configurations when switching between the 3dBi, 5.5dBi, and 9dBi SKUs?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 10px; color: #555; line-height: 1.6;\"\u003eYes. If you are deploying open-source LoRaWAN network servers from GitHub (like ChirpStack) or updating a Helium miner's assert location parameters, you must accurately input the specific antenna gain (\u003cstrong\u003e3.0, 5.5, or 9.0 dBi\u003c\/strong\u003e) and your estimated cable loss. This allows the software stack to calculate the correct TX power, ensuring compliance with local EIRP (Effective Isotropic Radiated Power) regulations and optimizing your network mapping.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 15px; border-bottom: 1px solid #f2f2f2; padding-bottom: 10px;\"\u003e\n\u003csummary style=\"font-weight: bold; cursor: pointer; outline: none; font-size: 16px;\"\u003e4. How should I choose between the 26cm, 40cm, and 85cm CDSENET antennas for my specific IoT project?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 10px; color: #555; line-height: 1.6;\"\u003eSelection depends heavily on your deployment topology. The \u003cstrong\u003e3dBi (26cm)\u003c\/strong\u003e antenna has a wider, more spherical signal pattern, making it ideal for urban environments with tall buildings or varied elevations. The \u003cstrong\u003e9dBi (85cm)\u003c\/strong\u003e flattens the RF signal into a tight \"pancake\" shape, perfect for pushing the signal extremely long distances across flat, open plains or farmland. The \u003cstrong\u003e5.5dBi (40cm)\u003c\/strong\u003e offers a balanced, versatile coverage pattern for mixed suburban areas.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"cdsenet","offers":[{"title":"tx915-blg-26","offer_id":45516840894566,"sku":"TX915-BLG-26","price":20.31,"currency_code":"USD","in_stock":true},{"title":"tx915-blg-40","offer_id":45516840927334,"sku":"TX915-BLG-40","price":22.34,"currency_code":"USD","in_stock":true},{"title":"tx915-blg-85","offer_id":45516840960102,"sku":"TX915-BLG-85","price":37.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX915-BLG-26-_1_800x800_v2.jpg?v=1773986506","url":"https:\/\/cdsenet.store\/products\/tx915-blg-series-915mhz-fiberglass-omnidirectional-lora-antenna","provider":"CDSENET, Built for the Wireless World","version":"1.0","type":"link"}