{"product_id":"beitian-bn-705-antenna","title":"Beitian BN-705 Ceramic Patch GPS AIS Navigation Antenna for Marine Vessels, SMA-J, 3m RG58\/RG174","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe Beitian BN-705 is a ceramic patch GPS AIS navigation antenna designed for marine vessel and nautical application, using a mushroom-head housing with an integrated LNA. It uses an SMA-J connector and is available with a 3 m cable (RG58 or RG174, depending on the selected option\/model).\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSupported working modes vary by model option: GPS L1 \/ GLONASS L1 \/ BDS B1 \/ GALILEO L1 (see Specifications)\u003c\/li\u003e\n\u003cli\u003eRight-handed circular polarization (RHCP)\u003c\/li\u003e\n\u003cli\u003eHorizontal plane coverage angle: 360°\u003c\/li\u003e\n\u003cli\u003eLow VSWR: \u0026lt; 1.5\u003c\/li\u003e\n\u003cli\u003eIntegrated LNA: 28 ± 2 dB gain, noise figure \u0026lt; 2 dB (Only LNA)\u003c\/li\u003e\n\u003cli\u003eScrew-base mounting; SMA-J connector\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ch3\u003eModel options (working mode \/ frequency)\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eWorking mode \/ frequency\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBS-705\u003c\/td\u003e\n\u003ctd\u003eGPS L1: 1575.42MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBN-705\u003c\/td\u003e\n\u003ctd\u003eGPS L1: 1575.42MHz; GLONASS L1: 1602MHZ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBD-705\u003c\/td\u003e\n\u003ctd\u003eGPS L1: 1575.42MHz; BDS B1: 1561MHZ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBT-705\u003c\/td\u003e\n\u003ctd\u003eGPS L1: 1575.42MHz; GLONASS L1: 1602MHZ; BDS B1: 1561MHZ; GALILEO L1: 1575.42MHZ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eCeramic antenna characteristics\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange of receiving frequency (BN-705)\u003c\/td\u003e\n\u003ctd\u003eGPS L1: 1575.42MHz; GLONASS L1: 1602MHZ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGain\u003c\/td\u003e\n\u003ctd\u003e2dBi\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\u003eImpedance\u003c\/td\u003e\n\u003ctd\u003e50Ω\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; 3dB\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\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eLNA specification\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eLNA Gain\u003c\/td\u003e\n\u003ctd\u003e28 ± 2dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise figure\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 2dB (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\u003e50Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePassband ripple\u003c\/td\u003e\n\u003ctd\u003e± 2.0dB (Only LNA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply voltage\u003c\/td\u003e\n\u003ctd\u003e2.8V-5.0V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply current\u003c\/td\u003e\n\u003ctd\u003e≤ 20mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eWork environment\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C ~ +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C ~ +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\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eMechanical \/ installation\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e96.6mm * 96.6mm * 124mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eScrew base\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eSMA-J\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e3m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eCable \/ weight by option\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eCable option\u003c\/th\u003e\n\u003cth\u003eCable\u003c\/th\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRG58 cable versions\u003c\/td\u003e\n\u003ctd\u003eRG58 Cable\u003c\/td\u003e\n\u003ctd\u003e≤ 380g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRG174 cable versions\u003c\/td\u003e\n\u003ctd\u003eRG174 Cable\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 360g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eStructural diagram dimensions (mm)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eØ96.6\u003c\/li\u003e\n\u003cli\u003e124\u003c\/li\u003e\n\u003cli\u003e62.8\u003c\/li\u003e\n\u003cli\u003e40\u003c\/li\u003e\n\u003cli\u003e25\u003c\/li\u003e\n\u003cli\u003e7\u003c\/li\u003e\n\u003cli\u003e2\u003c\/li\u003e\n\u003cli\u003e1.4\u003c\/li\u003e\n\u003cli\u003e18\u003c\/li\u003e\n\u003cli\u003eØ24.2\u003c\/li\u003e\n\u003cli\u003eØ33.7\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e1 x GNSS antenna (model selected: BS-705 \/ BN-705 \/ BD-705 \/ BT-705)\u003c\/li\u003e\n\u003cli\u003e3 m cable (RG58 or RG174 depending on option) with SMA-J connector\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSurveying and mapping\u003c\/li\u003e\n\u003cli\u003eWaterway surveying and mapping\u003c\/li\u003e\n\u003cli\u003ePrecision agriculture\u003c\/li\u003e\n\u003cli\u003eMarine industry \/ marine surveying\u003c\/li\u003e\n\u003cli\u003eConstruction industry\u003c\/li\u003e\n\u003cli\u003eDriving test and driver training\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor selection help (BN-705 vs other 705-series options) or integration questions, contact support@rcdrone.top or visit https:\/\/rcdrone.top\/.\u003c\/p\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"BN-705 series GNSS mushroom antenna options table with GPS, GLONASS, BDS and Galileo frequency bands\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-Ceramic-Patch-GPS-AIS-Navigation-Antenna-for-Marine.png?v=1783478099\"\u003e\u003cp\u003eChoose the 705-series variant that matches your GNSS needs and cable option (RG58 or RG174) before checkout.\u003c\/p\u003e\n\u003cimg alt=\"Beitian brand banner for BN-705 mushroom-head antenna and support customization for antenna modules\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-Ceramic-Patch-GPS-AIS-Navigation-Antenna-for-Marine_386b28eb-a668-486e-996b-93562b6361c8.png?v=1783478106\"\u003e\u003cimg alt=\"BN-705 GNSS antenna with icons for GPS L1, BDS B1, Galileo L1 and GLONASS L1 satellite systems\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-Ceramic-Patch-GPS-AIS-Navigation-Antenna-for-Marine_d4aa48a8-bc36-44e9-8eab-40ef53c3c78c.png?v=1783478113\"\u003e\u003cp\u003eMulti-constellation support helps improve positioning reliability for marine navigation and surveying installs.\u003c\/p\u003e\n\u003cimg alt=\"BN-705 antenna characteristics: 28±2 dB LNA gain, VSWR \u0026lt;1.5, 50Ω impedance, RHCP, 360° coverage\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-Ceramic-Patch-GPS-AIS-Navigation-Antenna-for-Marine_90119b06-a1a9-4b86-a03b-cb374acae1ee.png?v=1783478121\"\u003e\u003cp\u003eIntegrated LNA gain, low VSWR, and RHCP polarization support stable GNSS reception with full 360° coverage.\u003c\/p\u003e\n\u003cimg alt=\"BN-705 structural dimensions drawing: Ø96.6 mm body, 124 mm height, screw-base mounting details\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-Ceramic-Patch-GPS-AIS-Navigation-Antenna-for-Marine_2a703ed7-6bf5-4aba-accf-826d533e60e3.png?v=1783478126\"\u003e\u003cp\u003eCompact mushroom-head housing with screw-base mount simplifies installation on decks, masts, and instrument pods.\u003c\/p\u003e\n\u003cimg alt=\"BN-705 antenna benefits graphic with SMA-J connector and 3 m cable, highlighting stable reception and high gain\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-Ceramic-Patch-GPS-AIS-Navigation-Antenna-for-Marine_8f3ba2ec-b720-4e4a-b89b-3c4a222cae23.png?v=1783478138\"\u003e\u003cp\u003eAn SMA‑J connector with a 3 m cable makes it easy to route to AIS\/GNSS receivers while keeping the antenna mounted high.\u003c\/p\u003e\n\u003cimg alt=\"Applications graphic for BN-705 antenna: surveying and mapping, construction, precision agriculture, marine, driver training\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-Ceramic-Patch-GPS-AIS-Navigation-Antenna-for-Marine_8de013d5-be70-4012-967a-f732264e941b.png?v=1783478147\"\u003e\u003cimg alt=\"BN-705 product data sheet table listing ceramic antenna specs, LNA specs, and operating temperature range\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-Ceramic-Patch-GPS-AIS-Navigation-Antenna-for-Marine_8e78edcb-3517-49b7-9ed3-5318ecaeb6f3.png?v=1783478152\"\u003e\u003cp\u003eKey electrical and environmental specs are summarized for quick integration checks with your GNSS\/AIS equipment.\u003c\/p\u003e\n\u003cimg alt=\"BN-705 structural characteristics table with size, weight, screw base, SMA-J connector, RG58 cable, and 3 m length\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-Ceramic-Patch-GPS-AIS-Navigation-Antenna-for-Marine_65d388b7-7c6a-468e-bb0b-c4e69a3614af.png?v=1783478158\"\u003e\n\u003c\/div\u003e","brand":"Beitian","offers":[{"title":"BS-705(L1 SMA-J RG58 3M)","offer_id":53332491862240,"sku":"Beitian_Ceram_2505ae-1","price":47.82,"currency_code":"USD","in_stock":true},{"title":"BN-705(L1\/G1 SMA-J RG58 3M)","offer_id":53332491895008,"sku":"Beitian_Ceram_2505ae-2","price":49.62,"currency_code":"USD","in_stock":true},{"title":"BD-705(L1\/B1 SMA-J RG58 3M)","offer_id":53332491927776,"sku":"Beitian_Ceram_2505ae-3","price":49.62,"currency_code":"USD","in_stock":true},{"title":"BT-705(L1\/B1\/G1 SMA-J RG58 3M)","offer_id":53332491960544,"sku":"Beitian_Ceram_2505ae-4","price":52.62,"currency_code":"USD","in_stock":true},{"title":"BS-705(L1 SMA-J RG174 3M)","offer_id":53332491993312,"sku":"Beitian_Ceram_2505ae-5","price":47.82,"currency_code":"USD","in_stock":true},{"title":"BN-705(L1\/G1 SMA-J RG174 3M)","offer_id":53332492026080,"sku":"Beitian_Ceram_2505ae-6","price":49.62,"currency_code":"USD","in_stock":true},{"title":"BD-705(L1\/B1 SMA-J RG1743M)","offer_id":53332492058848,"sku":"Beitian_Ceram_2505ae-7","price":49.62,"currency_code":"USD","in_stock":true},{"title":"BT-705(L1\/B1\/G1 SMA-J RG174 3M)","offer_id":53332492091616,"sku":"Beitian_Ceram_2505ae-8","price":52.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/1-_-E_6744a569-b885-42de-bf9f-3d5dcd941291.png?v=1783477508","url":"https:\/\/rcdrone.top\/ko\/products\/beitian-bn-705-antenna","provider":"RCDrone","version":"1.0","type":"link"}