{"product_id":"beitian-bn-143aj-antenna","title":"Beitian BN-143AJ Active External GNSS Antenna GPS L1+GLONASS L1 28±2dB, RG174 3m SMA-JW","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe Beitian BN-143AJ is an active external GNSS antenna designed for automotive\/vehicle navigation and other GNSS reception installations. It supports GPS L1 + GLONASS L1 dual-mode positioning and uses an integrated LNA (28±2 dB) with a magnetic bottom mount for quick placement.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDual-mode positioning: GPS L1 + GLONASS L1\u003c\/li\u003e\n\u003cli\u003eActive LNA: 28±2 dB gain, noise figure \u0026lt;2 dB (Only LNA)\u003c\/li\u003e\n\u003cli\u003eLow VSWR: \u0026lt;1.5; 50 Ω impedance\u003c\/li\u003e\n\u003cli\u003eMagnetic bottom mounting\u003c\/li\u003e\n\u003cli\u003eRG174 coax cable, 3 m cord length (customizable cable length noted)\u003c\/li\u003e\n\u003cli\u003eConnector options shown across the series include SMA-J, SMA-JW, TNC-J, and Fakra (other connector types are also shown for customization: TNC-J, TNC-K, SMA-J, SMA-JW, MCX-JW, MMCX-JW, IPEX)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor connector\/cable customization requests and selection help, contact support@rcdrone.top or visit https:\/\/rcdrone.top\/.\u003c\/p\u003e\u003ch2\u003eSpecifications (BN-143AJ)\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking mode\u003c\/td\u003e\n\u003ctd\u003eGPS L1, GLONASS L1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReceiving frequency\u003c\/td\u003e\n\u003ctd\u003eGPS L1: 1575.42 MHz; GLONASS L1: 1602 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCeramic antenna gain\u003c\/td\u003e\n\u003ctd\u003e2 dBi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolarization\u003c\/td\u003e\n\u003ctd\u003eRHCP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAxis ratio\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;3 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHorizontal coverage angle\u003c\/td\u003e\n\u003ctd\u003e360°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency temperature coefficient\u003c\/td\u003e\n\u003ctd\u003e0±10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLNA gain\u003c\/td\u003e\n\u003ctd\u003e28±2 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise figure\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;2 dB (Only LNA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput VSWR\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput impedance\u003c\/td\u003e\n\u003ctd\u003e50 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePassband ripple\u003c\/td\u003e\n\u003ctd\u003e±2.0 dB (Only LNA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply voltage\u003c\/td\u003e\n\u003ctd\u003e2.8 V-5.0 V (label marking also shows 3 V-5 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply current\u003c\/td\u003e\n\u003ctd\u003e≤20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWet degree\u003c\/td\u003e\n\u003ctd\u003e40% - 95%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e49*37.5*16.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e≤105 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eMagnetic bottom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eSMA-JW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable\u003c\/td\u003e\n\u003ctd\u003eRG174\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable length\u003c\/td\u003e\n\u003ctd\u003e3 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLabel markings\u003c\/td\u003e\n\u003ctd\u003eSGS, CE, RoHS, and “FC” marking present\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eModel Options (as shown)\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eWorking mode\u003c\/th\u003e\n\u003cth\u003eConnector\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBD-096AJ\u003c\/td\u003e\n\u003ctd\u003eGPS L1, BDS B1\u003c\/td\u003e\n\u003ctd\u003eSMA-J\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBS-096AJ\u003c\/td\u003e\n\u003ctd\u003eGPS L1\u003c\/td\u003e\n\u003ctd\u003eSMA-J\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBN-096AJ\u003c\/td\u003e\n\u003ctd\u003eGPS L1, GLONASS L1\u003c\/td\u003e\n\u003ctd\u003eSMA-J\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBS-143AJ\u003c\/td\u003e\n\u003ctd\u003eGPS L1\u003c\/td\u003e\n\u003ctd\u003eSMA-J\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBN-143AJ\u003c\/td\u003e\n\u003ctd\u003eGPS L1, GLONASS L1\u003c\/td\u003e\n\u003ctd\u003eSMA-JW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBD-143AJ\u003c\/td\u003e\n\u003ctd\u003eGPS L1, BDS L1\u003c\/td\u003e\n\u003ctd\u003eSMA-J\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle navigation and car DVD\/navigation head units\u003c\/li\u003e\n\u003cli\u003eDrones\/UAVs and GNSS-enabled equipment\u003c\/li\u003e\n\u003cli\u003eAcreage meters and positioning\/measurement devices\u003c\/li\u003e\n\u003cli\u003eTraffic lights and related infrastructure equipment\u003c\/li\u003e\n\u003cli\u003eElectric vehicles\u003c\/li\u003e\n\u003cli\u003eDash cams\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"Connector options chart for Beitian BN-143AJ Active External GNSS Antenna series (SMA, TNC, MCX, MMCX, IPEX)\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-Dual-Band-High-Gain-Active-GPS-BDS-Antenna-with-SMA.png?v=1783480694\"\u003e\u003cp\u003eChoose the connector type that matches your GNSS receiver or head unit, and request cable\/connector customization if needed.\u003c\/p\u003e\n\u003cimg alt=\"Beitian BN-143AJ active GPS+GLONASS antenna with 28±2 dB LNA and customization support callout\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-Dual-Band-High-Gain-Active-GPS-BDS-Antenna-with-SMA_8197f8fa-a3e6-449b-b454-05d40d3ec240.png?v=1783480704\"\u003e\u003cp\u003eActive LNA gain up to 28±2 dB helps maintain stable reception with longer cable runs and vehicle installs.\u003c\/p\u003e\n\u003cimg alt=\"GPS \/ GPS+GLONASS \/ GPS+BDS mode options with BN-143AJ spec summary and supported connectors\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-Dual-Band-High-Gain-Active-GPS-BDS-Antenna-with-SMA_a561a104-ec47-4e26-bbfa-3da96fcfcd0d.png?v=1783480715\"\u003e\u003cimg alt=\"Test and measurement comparison graphic highlighting VSWR performance and antenna pattern stability\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-Dual-Band-High-Gain-Active-GPS-BDS-Antenna-with-SMA_4dd023dc-3ef7-45b5-801d-29dda8ae5bce.png?v=1783480725\"\u003e\u003cimg alt=\"Exploded internal structure of the active GNSS antenna with magnetic base and weatherproof housing\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-Dual-Band-High-Gain-Active-GPS-BDS-Antenna-with-SMA_6264986e-9efb-40ba-a59a-3cc2cf0bc7b4.png?v=1783480736\"\u003e\u003cp\u003eMagnetic bottom mounting makes it easy to place the antenna on a vehicle roof or other metal surface for a quick install.\u003c\/p\u003e\n\u003cimg alt=\"Applications and interface options for the BN-143AJ GNSS antenna: SMA-J, TNC-J, and Fakra connectors\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-Dual-Band-High-Gain-Active-GPS-BDS-Antenna-with-SMA_98ff3c91-9a59-4445-aef3-74bb64d0c1fb.png?v=1783480746\"\u003e\u003cp\u003eCompatible with common interfaces such as SMA-J, TNC-J, and Fakra for automotive navigation and GNSS equipment.\u003c\/p\u003e\n\u003cimg alt=\"BN-143AJ specification table: LNA gain 28±2 dB, 2.8–5.0 V supply, -40 to +85°C, magnetic mount, 3 m RG174\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-Dual-Band-High-Gain-Active-GPS-BDS-Antenna-with-SMA_8990c55a-a2fb-4bca-a56c-e863f9eaf386.png?v=1783480755\"\u003e\n\u003c\/div\u003e","brand":"Beitian","offers":[{"title":"BS-143AJ","offer_id":53332469940448,"sku":"BS-143AJ-1","price":13.42,"currency_code":"USD","in_stock":true},{"title":"BD-143AJ","offer_id":53332469973216,"sku":"BS-143AJ-2","price":13.42,"currency_code":"USD","in_stock":true},{"title":"BN-143AJ","offer_id":53332470005984,"sku":"BS-143AJ-3","price":19.42,"currency_code":"USD","in_stock":true},{"title":"BN-096AJ","offer_id":53332470038752,"sku":"BS-143AJ-4","price":14.32,"currency_code":"USD","in_stock":true},{"title":"BN-096AJW","offer_id":53332470071520,"sku":"BS-143AJ-5","price":13.42,"currency_code":"USD","in_stock":true},{"title":"BN-096FK","offer_id":53332470104288,"sku":"BS-143AJ-6","price":13.42,"currency_code":"USD","in_stock":true},{"title":"BN-096TJ","offer_id":53332470137056,"sku":"BS-143AJ-7","price":13.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/1-_-E_da1e8fc6-6cbd-4030-8510-f0a7b4778996.png?v=1783476852","url":"https:\/\/rcdrone.top\/es\/products\/beitian-bn-143aj-antenna","provider":"RCDrone","version":"1.0","type":"link"}