{"product_id":"beitian-bk-450-gps","title":"Beitian BE-450i BK-450 GNSS GPS Compass Module (IST8310, M10050) for UAV Flight Controllers","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eBeitian BE-450i \/ BK-450 is a GNSS GPS + compass module for UAV flight control and other positioning projects. It integrates a GNSS receiver (chip: M10050) and a built-in electronic compass IC (IST8310), and provides TTL-level UART data plus I2C compass signals through a 1.25mm 6-pin lockable connector.\u003c\/p\u003e\u003cp\u003eBeitian GNSS modules, antennas and receivers are widely used in UAV \u0026amp; FPV drones, flight control, aerial surveying and mapping, precision agriculture, geodetic survey, deformation monitoring, marine navigation, automotive positioning, industrial IoT, timing synchronization, robotics, Arduino DIY and other high-precision positioning fields.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eModels:\u003c\/strong\u003e BE-450i, BK-450i, BF-450i, BH-450i. (Note: BE-450 is wired the same as BK-450.)\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGNSS receiver type:\u003c\/strong\u003e GPS L1 C\/A, QZSS L1 C\/A\/S, BDS B1I\/B1C, Galileo E1B\/C, SBAS L1 C\/A (WAAS, EGNOS, MSAS, GAGAN)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDefault position system:\u003c\/strong\u003e GPS, BDS, GALILEO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAugmentation system:\u003c\/strong\u003e SBAS, QZSS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtocols:\u003c\/strong\u003e NMEA, UBX; NMEA messages: RMC, VTG, GGA, GSA, GSV, GLL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in compass:\u003c\/strong\u003e electronic compass IC IST8310\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndicator LEDs:\u003c\/strong\u003e TX LED (blue) and PPS LED (red)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomization (as stated):\u003c\/strong\u003e can be debugged according to requirements; various modules can be customized according to materials; various modules can be customized according to concept\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM10050\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReceiver type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGPS L1 C\/A, QZSS L1 C\/A\/S, BDS B1I\/B1C, Galileo E1B\/C, SBAS L1 C\/A: WAAS, EGNOS, MSAS, GAGAN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDefault position system\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGPS, BDS, GALILEO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAugmentation system\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSBAS, QZSS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChannel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensitivity (Tracking \u0026amp; Navigation)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-166 dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensitivity (Reacquisition)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-160 dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensitivity (Cold start)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-148 dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensitivity (Hot start)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-160 dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy (Horizontal position)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.0 m CEP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy (Velocity)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.05 m\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy (Dynamic heading)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.3 deg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy (Time pulse)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRMS 30 ns; 99% 60 ns\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAcquisition (Cold start)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e27 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAcquisition (Hot start)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAcquisition (Aided start)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBaud rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4800 bps - 921600 bps (default 115200 bps)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLevel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTTL level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNMEA, UBX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNMEA messages\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRMC, VTG, GGA, GSA, GSV, GLL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUpdate rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.25 Hz - 18 Hz (default 1 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFLASH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWith FLASH, the configuration can be changed, and the power will not be lost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTime pulse signal frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConfigurable from 0.25 Hz to 10 MHz; default period 1 s; high level lasts for 100 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperational limits (Altitude)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e80,000 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperational limits (Velocity)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500 m\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperational limits (Dynamics)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 4 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\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\u003e\u003cstrong\u003eCurrent\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 mA \/ 5.0 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDia 56 * 9.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e31 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.25 \/ 6P lockable, horizontal SMD socket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40 C to +85 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40 C to +105 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLED\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTX LED: blue (data output, TX LED flashing). PPS LED: red (PPS LED not bright when GPS not fixed; flashing when fixed).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompass\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuilt-in compass (electronic compass IC IST8310)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMechanical drawing details\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDia 56.00 +\/- 0.2; Dia 50.00 +\/- 0.1; 4 x Dia 3.00; Dia 45.5; height reference: 4.00, 2.8, 0.50 MAX, 8.3 +\/- 0.3, 9.8; inner square reference: 36.2 x 36.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAntenna marking\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBDS L1, GLS G1; 1561 MHz - 1602 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003ePin Definition (6-Pin)\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePIN\u003c\/th\u003e\n\u003cth\u003eName\u003c\/th\u003e\n\u003cth\u003eI\/O\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003cth\u003eCharacteristics\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eSDA\u003c\/td\u003e\n\u003ctd\u003eO\u003c\/td\u003e\n\u003ctd\u003eSerial data - I2C bus master\/slave data\u003c\/td\u003e\n\u003ctd\u003eCompass data pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eSCL\u003c\/td\u003e\n\u003ctd\u003eI\u003c\/td\u003e\n\u003ctd\u003eSerial clock - I2C bus master\/slave clock\u003c\/td\u003e\n\u003ctd\u003eCompass clock pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eTX\u003c\/td\u003e\n\u003ctd\u003eO\u003c\/td\u003e\n\u003ctd\u003eUART communication interface, TTL level\u003c\/td\u003e\n\u003ctd\u003eGPS data output pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eRX\u003c\/td\u003e\n\u003ctd\u003eI\u003c\/td\u003e\n\u003ctd\u003eUART communication interface, TTL level\u003c\/td\u003e\n\u003ctd\u003eGPS data input pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eVCC\u003c\/td\u003e\n\u003ctd\u003eI\u003c\/td\u003e\n\u003ctd\u003eMain power supply, DC input\u003c\/td\u003e\n\u003ctd\u003eDC 3.6 V - 5.5 V; recommended 5.0 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eG\u003c\/td\u003e\n\u003ctd\u003eGround\u003c\/td\u003e\n\u003ctd\u003eGround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eWiring Notes (as shown in diagrams)\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGPS module to USB-to-TTL cable:\u003c\/strong\u003e GND-GND, TX-TX, RX-RX, VCC-VCC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGPS module to microcontroller:\u003c\/strong\u003e 1PPS, GND, TX, RX, VCC, BOOT pins are shown in the wiring diagram (connect according to the controller requirements)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVehicle positioning and navigation\u003c\/li\u003e\n\u003cli\u003eTiming\u003c\/li\u003e\n\u003cli\u003eWearables\u003c\/li\u003e\n\u003cli\u003eIoT positioning devices\u003c\/li\u003e\n\u003cli\u003eUAV, flight control field\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGNSS module (Module one)\u003c\/li\u003e\n\u003cli\u003eAdapter cable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor integration questions or customization requests, contact https:\/\/rcdrone.top\/ or email support@rcdrone.top.\u003c\/p\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"Beitian BE-450i BK-450 GNSS GPS module overview with customization and performance details\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-M9-M10-Drone-GPS-GLONASS-UAV-Quad-Airplane-Compass.webp?v=1783416974\"\u003e\u003cp\u003eThe Beitian BE-450i \/ BK-450 combines GNSS positioning with a built-in compass for drone and project use.\u003c\/p\u003e\n\u003cimg alt=\"Beitian BE-450i BK-450 GNSS GPS performance table, pin definition, and rear module view\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-M9-M10-Drone-GPS-GLONASS-UAV-Quad-Airplane-Compass.png?v=1783417020\"\u003e\u003cp\u003ePerformance, pinout, and compact round-module layout are summarized for easy integration.\u003c\/p\u003e\n\u003cimg alt=\"Beitian BE-450i BK-450 pin table, rear compass side, LED indicators, and application examples\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-M9-M10-Drone-GPS-GLONASS-UAV-Quad-Airplane-Compass_555f30b8-45c5-4314-87c3-c3c764a2aa25.png?v=1783417035\"\u003e\u003cp\u003eThe module uses a 6-pin interface for UART and compass signals, with TX and PPS status LEDs.\u003c\/p\u003e\n\u003cimg alt=\"Beitian BE-450i BK-450 module block diagram, dimensions, and pin wiring schematic\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-M9-M10-Drone-GPS-GLONASS-UAV-Quad-Airplane-Compass_ca040b30-1a7c-4f3c-8c9f-2dba75eb82f0.png?v=1783417041\"\u003e\u003cp\u003eFront and rear layout diagrams help with mounting, wiring, and orientation during installation.\u003c\/p\u003e\n\u003cimg alt=\"GPS module wiring diagram for USB-to-TTL cable and microcontroller connections\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-M9-M10-Drone-GPS-GLONASS-UAV-Quad-Airplane-Compass_3fc3c34f-9e46-470a-a4bb-41fceead804c.png?v=1783417048\"\u003e\u003cp\u003eA simple wiring guide shows how to connect power, TX\/RX, and 1PPS signals.\u003c\/p\u003e\n\u003cimg alt=\"Beitian GNSS module use cases for shared bikes, electric vehicles, and UAVs\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-M9-M10-Drone-GPS-GLONASS-UAV-Quad-Airplane-Compass_1af6869a-8b79-4f1f-be27-e382fed8385b.png?v=1783417054\"\u003e\u003cp\u003eThe module is positioned for positioning tasks in mobility, agriculture, and UAV applications.\u003c\/p\u003e\n\u003cimg alt=\"Beitian BK-450 module and adapter cable product list with BE-450 wired the same as BK-450\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Beitian-M9-M10-Drone-GPS-GLONASS-UAV-Quad-Airplane-Compass_6865b8f2-9734-4f94-bea0-df701d9c55ea.png?v=1783417061\"\u003e\u003cp\u003eBE-450 and BK-450 share the same wiring, making the adapter cable and module pairing straightforward.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Beitian","offers":[{"title":"BE-450i","offer_id":53331047940320,"sku":"Beitian_M9_M1_4d60f2-1","price":53.66,"currency_code":"USD","in_stock":true},{"title":"BK-450i","offer_id":53331047973088,"sku":"Beitian_M9_M1_4d60f2-2","price":68.06,"currency_code":"USD","in_stock":true},{"title":"BF-450i","offer_id":53331048005856,"sku":"Beitian_M9_M1_4d60f2-3","price":459.26,"currency_code":"USD","in_stock":true},{"title":"BH-450i","offer_id":53331048038624,"sku":"Beitian_M9_M1_4d60f2-4","price":65.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/1-_-E_92f35fc7-bbd1-411f-b83d-2abc5d28e359.png?v=1783407592","url":"https:\/\/rcdrone.top\/sv\/products\/beitian-bk-450-gps","provider":"RCDrone","version":"1.0","type":"link"}