{"product_id":"tx490-blg-series-470-490mhz-high-gain-lora-fiberglass-antenna","title":"TX490-BLG Series 470\/490MHz High-Gain LoRa Fiberglass 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\u003cp\u003eThe \u003cstrong\u003eEbyte TX490-BLG Series\u003c\/strong\u003e is a specialized line of omnidirectional fiberglass antennas optimized for \u003cstrong\u003e470MHz and 490MHz Sub-GHz bands\u003c\/strong\u003e. Purpose-built for LoRaWAN, private radio networks, and industrial meter reading (AMR), this series offers reliable gain configurations: \u003cstrong\u003e2.0 dBi (120mm)\u003c\/strong\u003e for compact installations and \u003cstrong\u003e5.5 dBi (400mm)\u003c\/strong\u003e for high-sensitivity long-range gateways.\u003c\/p\u003e\n\u003cp\u003eEncased in a heavy-duty, UV-resistant fiberglass radome, the TX490-BLG is engineered for permanent outdoor mast mounting. The \u003cstrong\u003eN-Type Male (N-J)\u003c\/strong\u003e connector ensures mechanical stability and low-loss RF performance, even in high-humidity or high-vibration industrial environments.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX490-BLG-12-_2.jpg?v=1776940426\" alt=\"\"\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSeries Specification Comparison\u003c\/h2\u003e\n\u003cp\u003eSelect the optimal 490MHz variant based on your required range and installation height:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eTX490-BLG-12\u003c\/th\u003e\n\u003cth\u003eTX490-BLG-40\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCenter Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e490 MHz\u003c\/td\u003e\n\u003ctd\u003e490 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e470–510 MHz\u003c\/td\u003e\n\u003ctd\u003e470–510 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\u003e2.0 dBi\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"highlight\"\u003e5.5 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≤ 1.5\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\u003eHeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 mm\u003c\/td\u003e\n\u003ctd\u003e400 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eN-Type Male (N-J)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eImpedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e50 Ω\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=\"2\"\u003eFiberglass (Outdoor UV-resistant)\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\u003cp class=\"freshness\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX490-BLG-12-_3.jpg?v=1776940426\" alt=\"\"\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eExpert Selection Guide\u003c\/h2\u003e\n\u003cdiv class=\"guide-box\" style=\"background: #f0f7f1; border-left: 4px solid #1a7f37; padding: 15px; margin: 1em 0;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocalized Urban Nodes:\u003c\/strong\u003e 2.0dBi (TX490-BLG-12). Its compact 12cm size is perfect for street-level IoT sensors where space is limited but durability is required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Tower Gateways:\u003c\/strong\u003e 5.5dBi (TX490-BLG-40). The compressed vertical beam projects signal across large industrial campuses or agricultural fields.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\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\u003ePrimary outdoor antenna for 470MHz LoRa gateways, ensuring stable connectivity for thousands of nodes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apps-grid-item\"\u003e\n\u003ch3\u003e🏭 Smart Metering (AMR)\u003c\/h3\u003e\n\u003cp\u003eReliable signal backhaul for water and gas meters operating in the licensed or unlicensed 470MHz bands.\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 irrigation control and soil moisture monitoring where long-range Sub-GHz penetration is essential.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"apps-grid-item\"\u003e\n\u003ch3\u003e🏙️ Municipal IoT\u003c\/h3\u003e\n\u003cp\u003eOutdoor environmental sensors and smart street lighting controllers requiring weatherproof infrastructure.\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\/TX490-BLG-12-_7.jpg?v=1776940426\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"product-faq-section\"\u003e\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary\u003e1. How do I connect the TX490-BLG to an Ebyte E22 or E32 LoRa module?\u003c\/summary\u003e\n\u003cp\u003eSince the antenna uses an N-Type Male (N-J) connector, you will need an N-Female to SMA-Male pigtail cable. You can find compatible low-loss RF cables directly at \u003cstrong\u003eebyte\u003c\/strong\u003e to bridge the gap between your module's SMA interface and this outdoor antenna.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary\u003e2. Can I use this antenna with a Raspberry Pi LoRa HAT?\u003c\/summary\u003e\n\u003cp\u003eAbsolutely. For developers using \u003cstrong\u003eGitHub\u003c\/strong\u003e open-source LoRaWAN stacks on a Raspberry Pi (like ChirpStack), this antenna provides the professional-grade gain needed for a robust base station. Ensure your Pi enclosure is waterproof or use a long coaxial run to mount the antenna on a roof mast.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"faq-item\"\u003e\n\u003csummary\u003e3. Why choose fiberglass over a rubber-duck antenna for 470MHz?\u003c\/summary\u003e\n\u003cp\u003eRubber-duck antennas are for indoor use. The TX490-BLG's fiberglass radome is IP67-equivalent, meaning it won't degrade under UV exposure or fail during heavy rain, ensuring your IoT network stays online 24\/7 in harsh outdoor conditions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"cdsenet","offers":[{"title":"TX490-BLG-12","offer_id":45512098250854,"sku":"tx490-blg-12","price":13.64,"currency_code":"USD","in_stock":true},{"title":"TX490-BLG-40","offer_id":45512098283622,"sku":"TX490-BLG-40","price":22.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0702\/9918\/9350\/files\/TX490-BLG-12-_1_800x800_v2.jpg?v=1773986506","url":"https:\/\/cdsenet.store\/products\/tx490-blg-series-470-490mhz-high-gain-lora-fiberglass-antenna","provider":"CDSENET, Built for the Wireless World","version":"1.0","type":"link"}