{"product_id":"beitian-bs-57du-gps-receiver","title":"Beitian BS-57DU Marine GNSS Receiver, Ceramic Patch Antenna 35dB High Gain GPS\/BeiDou AIS Module","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe Beitian BS-57DU is a \u003cstrong\u003eMarine GNSS Receiver\u003c\/strong\u003e with an integrated ceramic patch antenna (mushroom-head style), designed for marine\/shipborne navigation applications such as AIS navigation. It uses the G7020-KT chip and supports GPS L1 \/ SBAS L1 \/ QZSS L1, with NMEA-0183 output.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eChipset: G7020-KT\u003c\/li\u003e\n\u003cli\u003eSupported frequency\/mode: GPS L1, SBAS L1, QZSS L1\u003c\/li\u003e\n\u003cli\u003eSensitivity: Tracking -162 dBm; Reacquisition -160 dBm; Cold start -148 dBm\u003c\/li\u003e\n\u003cli\u003eAccuracy labels: Horizontal accuracy 2.0 m CEP; Speed accuracy 0.1 m\/s CEP; Time accuracy 1 us\u003c\/li\u003e\n\u003cli\u003eUpdate rate: 1 Hz to 10 Hz (default 1 Hz)\u003c\/li\u003e\n\u003cli\u003eNMEA-0183 output protocol\u003c\/li\u003e\n\u003cli\u003eStart times (typical): Cold start 29 s; Warm start 25 s; Hot start 1 s\u003c\/li\u003e\n\u003cli\u003eFLASH: labeled with “4M FLASH”; configuration can be changed and is retained when power is off\u003c\/li\u003e\n\u003cli\u003eCable note: labeled as using high-quality soft copper wire\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ch3\u003eCommon GNSS performance (all listed BS-57 series variants)\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChip\u003c\/td\u003e\n\u003ctd\u003eG7020-KT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking mode\u003c\/td\u003e\n\u003ctd\u003eGPS L1, SBAS L1, QZSS L1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity (Tracking)\u003c\/td\u003e\n\u003ctd\u003e-162 dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity (Reacquisition)\u003c\/td\u003e\n\u003ctd\u003e-160 dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity (Cold start)\u003c\/td\u003e\n\u003ctd\u003e-148 dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHorizontal\u003c\/td\u003e\n\u003ctd\u003e2.0 m (Typical Open Sky)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVelocity\u003c\/td\u003e\n\u003ctd\u003e0.1 m\/sec 95% (SA off)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic heading\u003c\/td\u003e\n\u003ctd\u003e1 us synchronized to GPS time\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCold boot\u003c\/td\u003e\n\u003ctd\u003e29 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarm boot\u003c\/td\u003e\n\u003ctd\u003e25 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHot Start\u003c\/td\u003e\n\u003ctd\u003e1 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput protocol\u003c\/td\u003e\n\u003ctd\u003eNMEA-0183\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency of updates\u003c\/td\u003e\n\u003ctd\u003e1 Hz-10 Hz, Default 1 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFLASH\u003c\/td\u003e\n\u003ctd\u003ewith FLASH (also labeled “4M FLASH”)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperational limits\u003c\/td\u003e\n\u003ctd\u003eAltitude \u0026lt; 50,000 m; Velocity \u0026lt; 515 m\/s; Acceleration \u0026lt; 4 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003eDC 3.6 V-5.5 V, Typical: 5.0 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003eCapture 45 mA\/5.0 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e95*95*125 mm\u003c\/td\u003e\n\u003c\/tr\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\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eInterface \/ output by model (as labeled)\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eOutput level\u003c\/th\u003e\n\u003cth\u003eBaud rate (bps)\u003c\/th\u003e\n\u003cth\u003eConnector\u003c\/th\u003e\n\u003cth\u003eCable length\u003c\/th\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003cth\u003eFixed\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBS-57U\u003c\/td\u003e\n\u003ctd\u003eUSB level\u003c\/td\u003e\n\u003ctd\u003e4800 bps to 921600 bps, Auto-adapted baud rate\u003c\/td\u003e\n\u003ctd\u003eUSB 2.0 interface\u003c\/td\u003e\n\u003ctd\u003e2 m\u003c\/td\u003e\n\u003ctd\u003e450 g\u003c\/td\u003e\n\u003ctd\u003eDIY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBS-57D\u003c\/td\u003e\n\u003ctd\u003eRS-232 level\u003c\/td\u003e\n\u003ctd\u003e4800 bps to 921600 bps, Default 9600 bps\u003c\/td\u003e\n\u003ctd\u003eDB-9 female interface\u003c\/td\u003e\n\u003ctd\u003e3 m\u003c\/td\u003e\n\u003ctd\u003e260 g\u003c\/td\u003e\n\u003ctd\u003eDIY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBS-57DN\u003c\/td\u003e\n\u003ctd\u003eRS-232 level\u003c\/td\u003e\n\u003ctd\u003e4800 bps to 921600 bps, Default 9600 bps\u003c\/td\u003e\n\u003ctd\u003eDB-9 Female + Power Cable\u003c\/td\u003e\n\u003ctd\u003e3 m\u003c\/td\u003e\n\u003ctd\u003e280 g\u003c\/td\u003e\n\u003ctd\u003eDIY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBS-57DU\u003c\/td\u003e\n\u003ctd\u003eRS-232 level\u003c\/td\u003e\n\u003ctd\u003e4800 bps to 921600 bps, Default 9600 bps\u003c\/td\u003e\n\u003ctd\u003eDB-9 Female + USB 2.0 Male\u003c\/td\u003e\n\u003ctd\u003e3 m\u003c\/td\u003e\n\u003ctd\u003e280 g\u003c\/td\u003e\n\u003ctd\u003eDIY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBS-57N\u003c\/td\u003e\n\u003ctd\u003eRS-232 level\u003c\/td\u003e\n\u003ctd\u003e4800 bps to 921600 bps, Default 9600 bps\u003c\/td\u003e\n\u003ctd\u003e4 Cable: Red VCC, Green RX, White TX, Black GND\u003c\/td\u003e\n\u003ctd\u003e3 m\u003c\/td\u003e\n\u003ctd\u003e250 g\u003c\/td\u003e\n\u003ctd\u003eDIY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGNSS receiver antenna (BS-57 series)\u003c\/li\u003e\n\u003cli\u003ePedestal\/base (mounting component, as labeled in the product list graphic)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOcean ship \/ marine ship navigation\u003c\/li\u003e\n\u003cli\u003eVehicle navigation\u003c\/li\u003e\n\u003cli\u003eAgricultural machinery\u003c\/li\u003e\n\u003cli\u003eMarine ship timekeeping\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor interface selection (USB, DB-9\/RS-232, or 4-wire) and integration support, contact \u003ca href=\"https:\/\/rcdrone.top\/\" rel=\"nofollow\"\u003ehttps:\/\/rcdrone.top\/\u003c\/a\u003e or email \u003ca href=\"mailto:support@rcdrone.top\"\u003esupport@rcdrone.top\u003c\/a\u003e.\u003c\/p\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"Beitian BS-57 series marine GNSS receiver comparison chart and customization\/support graphic\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-BS-57DU-Marine-GNSS-Receiver-Integrated-Ceramic.png?v=1783496869\"\u003e\u003cp\u003eChoose the BS-57 interface option that fits your installation (USB, RS‑232\/DB‑9, or 4‑wire), with configurable settings.\u003c\/p\u003e\n\u003cimg alt=\"Beitian BS-57DU mushroom-head marine GNSS GPS receiver with integrated ceramic patch antenna\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-BS-57DU-Marine-GNSS-Receiver-Integrated-Ceramic_26d1b381-ca12-48f5-8d07-b06656949dfd.png?v=1783496878\"\u003e\u003cp\u003eMushroom-head housing with an integrated ceramic patch antenna for marine and vehicle GNSS positioning.\u003c\/p\u003e\n\u003cimg alt=\"Marine GNSS receiver antenna module with USB and DB-9 RS-232 leads, G7020-KT chipset callouts\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-BS-57DU-Marine-GNSS-Receiver-Integrated-Ceramic_eeb5ef36-f4d7-4e78-95db-dbc615238e20.png?v=1783496887\"\u003e\u003cp\u003eG7020‑KT chipset support for GPS L1 \/ SBAS L1 \/ QZSS L1 with NMEA‑0183 output for navigation and AIS setups.\u003c\/p\u003e\n\u003cimg alt=\"GNSS receiver start-time and 4M FLASH retention infographic for cold, warm, and hot start performance\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-BS-57DU-Marine-GNSS-Receiver-Integrated-Ceramic_9af6ced8-d83e-412d-b221-0033a27b880e.png?v=1783496896\"\u003e\u003cp\u003eConfiguration changes can be saved to onboard FLASH, with typical cold\/warm\/hot start times listed for reference.\u003c\/p\u003e\n\u003cimg alt=\"NMEA-0183 output settings graphic showing RS-232 level, 1–10 Hz update rate, and 9600 bps default baud\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-BS-57DU-Marine-GNSS-Receiver-Integrated-Ceramic_e2a38915-8d95-4b2a-a6ab-b41ea3a817d0.png?v=1783496905\"\u003e\u003cp\u003eNMEA‑0183 data output over RS‑232 with adjustable baud rate and 1–10 Hz update frequency.\u003c\/p\u003e\n\u003cimg alt=\"Beitian BS-57DU GNSS receiver infographic with applications, included parts, and product parameter table\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-BS-57DU-Marine-GNSS-Receiver-Integrated-Ceramic_03418ad0-7f8f-4d2c-ab8b-d93a18b89abb.webp?v=1783496847\"\u003e\u003cp\u003eMarine navigation, vehicle positioning, and timekeeping applications plus key parameters in one quick reference.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Beitian","offers":[{"title":"BS-57U (USB)","offer_id":53338012025056,"sku":"Beitian_BS_57_3c7362-1","price":81.43,"currency_code":"USD","in_stock":true},{"title":"BS-57N (4 cables)","offer_id":53338012057824,"sku":"Beitian_BS_57_3c7362-2","price":81.43,"currency_code":"USD","in_stock":true},{"title":"BS-57D(DBP)","offer_id":53338012090592,"sku":"Beitian_BS_57_3c7362-3","price":81.43,"currency_code":"USD","in_stock":true},{"title":"BS-57DN (DBP+4 cables)","offer_id":53338012123360,"sku":"Beitian_BS_57_3c7362-4","price":81.43,"currency_code":"USD","in_stock":true},{"title":"BS-57DU (DBP+USB)","offer_id":53338012156128,"sku":"Beitian_BS_57_3c7362-5","price":81.43,"currency_code":"USD","in_stock":true},{"title":"MOUTING","offer_id":53338012188896,"sku":"Beitian_BS_57_3c7362-6","price":17.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/4ea17c87-3ad6-4517-a799-a81a41789ee0.png?v=1783494314","url":"https:\/\/rcdrone.top\/ko\/products\/beitian-bs-57du-gps-receiver","provider":"RCDrone","version":"1.0","type":"link"}