{"product_id":"neo-m8n-gps-module-with-compass-for-apm","title":"NEO-M8N GPS Module with Compass for APM","description":"\u003cmeta name=\"description\" content=\"Buy NEO-M8N GPS Module with Compass for APM online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\n\u003ch1\u003eNEO-M8N GPS Module with Compass for APM\u003c\/h1\u003e\n\n\u003cp\u003eThe NEO-M8N GPS Module with Compass is a dual-frequency GNSS receiver combined with a 3-axis magnetometer, designed specifically for autonomous flight control systems like APM (ArduPilot Mega). This module provides centimeter-level positioning accuracy through multi-constellation satellite tracking (GPS, GLONASS, Galileo, BeiDou) while the integrated compass enables precise heading determination for stabilized autonomous navigation. Professional drone manufacturers, roboticists, and UAV developers rely on this module to achieve reliable outdoor navigation with minimal drift and maximum positional integrity in demanding applications.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\n\u003cp\u003eThe NEO-M8N operates on the principle of multi-constellation GNSS positioning, simultaneously acquiring signals from GPS, GLONASS, Galileo, and BeiDou satellite systems to triangulate position with exceptional accuracy even in challenging environments with partial sky visibility. The module features a high-sensitivity receiver capable of tracking signals at -167 dBm, enabling rapid satellite acquisition and reliable lock maintenance in urban canyons and areas with signal obstruction. The integrated HMC5883L magnetometer provides magnetic heading information with 3-axis measurement capability, allowing the flight controller to determine aircraft orientation relative to Earth's magnetic field for compass-based navigation and heading hold functionality.\u003c\/p\u003e\n\n\u003cp\u003eWhat distinguishes the NEO-M8N from single-frequency receivers is its dual-frequency L1\/L5 architecture, which corrects ionospheric delays and provides superior accuracy in real-world conditions. The module communicates via UART serial interface at configurable baud rates (up to 921600 bps) and supports industry-standard NMEA protocol output, making integration seamless with APM, Pixhawk, and other open-source flight control platforms. With low power consumption (approximately 67mA typical operation) and compact form factor, it fits directly into standard GPS connector slots on autopilot boards without requiring external adapters or additional power conditioning.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDual-Frequency GNSS Receiver Module with Integrated Compass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eu-blox NEO-M8N Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7 days on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping\u003c\/td\u003e\n\u003ctd\u003e1-5 days from Bengaluru\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDelivery\u003c\/td\u003e\n\u003ctd\u003e7-8 days across India\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003e24\/7 via Email and WhatsApp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSatellite Systems\u003c\/td\u003e\n\u003ctd\u003eGPS, GLONASS, Galileo, BeiDou (Multi-constellation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Bands\u003c\/td\u003e\n\u003ctd\u003eL1 (1575.42 MHz) and L5 (1176.45 MHz) Dual-Frequency\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePosition Accuracy\u003c\/td\u003e\n\u003ctd\u003e2.5 meters CEP (Circular Error Probable) in open sky\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVelocity Accuracy\u003c\/td\u003e\n\u003ctd\u003e0.05 m\/s RMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTime to First Fix\u003c\/td\u003e\n\u003ctd\u003eCold Start: 26 seconds, Hot Start: 1 second\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003eTracking: -160 dBm, Acquisition: -148 dBm, Reacquisition: -167 dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpdate Rate\u003c\/td\u003e\n\u003ctd\u003eConfigurable up to 10 Hz (default 5 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial Interface\u003c\/td\u003e\n\u003ctd\u003eUART TTL (3.3V logic levels)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud Rate\u003c\/td\u003e\n\u003ctd\u003e9600 to 921600 bps (configurable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocol Output\u003c\/td\u003e\n\u003ctd\u003eNMEA 0183, UBX Binary Protocol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompass Type\u003c\/td\u003e\n\u003ctd\u003eHMC5883L 3-Axis Magnetometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnetic Field Range\u003c\/td\u003e\n\u003ctd\u003e±8 Gauss with 0.3 mGauss resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e5V DC input with onboard 3.3V regulator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e67 mA typical operation, 10 mA standby\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 degrees Celsius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Dimensions\u003c\/td\u003e\n\u003ctd\u003e32 x 32 x 9.3 mm (compact form factor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003eDF13 6-pin connector (APM standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eMulti-Constellation GNSS Reception: Simultaneously tracks GPS, GLONASS, Galileo, and BeiDou satellites for enhanced accuracy and faster convergence in urban and obstructed environments compared to single-system receivers\u003c\/li\u003e\n\u003cli\u003eDual-Frequency L1\/L5 Architecture: Corrects ionospheric propagation delays automatically, delivering centimeter-level accuracy improvement and superior performance in challenging signal conditions\u003c\/li\u003e\n\u003cli\u003eIntegrated 3-Axis Magnetometer: Built-in HMC5883L compass provides magnetic heading data for autonomous heading control, eliminating the need for external compass modules and reducing system complexity\u003c\/li\u003e\n\u003cli\u003eHigh Sensitivity Receiver: -167 dBm reacquisition sensitivity enables reliable operation in dense urban canyons, under tree canopy, and near buildings where conventional GPS modules lose lock\u003c\/li\u003e\n\u003cli\u003eAPM-Compatible Connector: DF13 6-pin connector matches standard autopilot boards (APM 2.5, APM 2.8, Pixhawk) for plug-and-play integration without soldering or adapter boards\u003c\/li\u003e\n\u003cli\u003eConfigurable Update Rate: Supports 1 Hz to 10 Hz position updates, allowing optimization for power consumption versus navigation responsiveness based on flight controller requirements\u003c\/li\u003e\n\u003cli\u003eLow Power Design: 67 mA typical consumption with 10 mA standby mode, suitable for battery-powered UAVs and long-endurance autonomous systems\u003c\/li\u003e\n\u003cli\u003eNMEA and UBX Protocol Support: Dual protocol output ensures compatibility with legacy NMEA-only systems and modern binary UBX protocol for reduced latency and bandwidth optimization\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eAutonomous Quadcopter Navigation: Enables GPS-denied recovery, return-to-home functionality, and autonomous waypoint navigation for commercial and hobby-grade multicopter platforms running ArduCopter firmware\u003c\/li\u003e\n\u003cli\u003eFixed-Wing UAV Autopilot: Provides position and heading feedback for ArduPlane autonomous flight control, enabling precision agriculture mapping, aerial surveying, and long-range autonomous missions\u003c\/li\u003e\n\u003cli\u003eGround Rover Autonomous Systems: Delivers differential positioning for autonomous ground vehicles, robotic lawnmowers, and delivery robots requiring meter-level accuracy and compass-based heading control\u003c\/li\u003e\n\u003cli\u003eMarine Vessel Navigation: Supports autonomous surface vehicle (ASV) and unmanned boat applications with dual-frequency accuracy suitable for coastal mapping and environmental monitoring missions\u003c\/li\u003e\n\u003cli\u003ePrecision Agriculture and Mapping: Enables high-accuracy georeferencing for drone-based crop monitoring, field boundary mapping, and multispectral imaging with submeter positional repeatability\u003c\/li\u003e\n\u003cli\u003eSearch and Rescue Operations: Provides reliable position tracking and autonomous navigation for search drones operating in GPS-challenging environments like forests, mountains, and disaster zones\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\n\u003cp\u003eInstallation begins by connecting the NEO-M8N module to your APM autopilot board using the DF13 6-pin connector, matching the GPS port pinout (5V power, ground, TX, RX, and compass I2C lines). The module requires a clear view of the sky for optimal satellite acquisition; mount it on the top surface of your airframe with the antenna facing upward and away from RF-emitting components like telemetry modules and video transmitters. Once powered, the module automatically begins satellite acquisition and will achieve first fix within 26 seconds on cold start (initial power-on) or 1 second on hot start (when previously initialized). Configure your flight controller's serial port to 38400 baud (default NEO-M8N rate) and enable GPS input in the autopilot firmware parameters; the compass calibration should be performed using your flight controller's built-in compass calibration routine, rotating the aircraft through all axes to establish magnetic declination and hard\/soft iron correction coefficients specific to your installation location.\u003c\/p\u003e\n\n\u003cp\u003eFor optimal performance, verify GPS lock status through your ground station software (Mission Planner, QGroundControl) before arming for flight; the module will display green LED indicators when satellite lock is achieved. If experiencing slow convergence or loss of lock, check for antenna obstruction, verify the 5V power supply is stable, and ensure the module is not mounted near high-current power distribution boards or motor ESCs that generate electromagnetic interference. The compass should be recalibrated if you relocate your aircraft to a significantly different geographic location (more than 500 km) to account for magnetic declination variation; most modern flight controllers handle this automatically through GPS-based declination lookup tables.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between NEO-M8N and single-frequency GPS modules like NEO-6M?\u003c\/summary\u003e\n\u003cp\u003eThe NEO-M8N features dual-frequency L1\/L5 reception and multi-constellation support (GPS, GLONASS, Galileo, BeiDou) versus the NEO-6M which is single-frequency GPS-only. This provides 3-5x faster convergence, superior accuracy in urban environments, and more reliable lock maintenance in challenging signal conditions. The NEO-M8N also includes integrated compass functionality, whereas external compass modules are required for NEO-6M systems. For professional applications requiring consistent performance, NEO-M8N is the recommended choice despite higher cost.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eCan I use this module with Pixhawk flight controllers?\u003c\/summary\u003e\n\u003cp\u003eYes, the NEO-M8N is fully compatible with Pixhawk and all variants (Pixhawk 1, 2.4.6, 2.4.8, 4, 4 Mini) through the standard GPS connector. The DF13 6-pin connector pinout matches Pixhawk GPS port specifications exactly. Simply connect the module to the GPS port and configure your autopilot firmware (ArduCopter, ArduPlane, ArduRover) to enable GPS input. The integrated compass will be automatically recognized as an external compass device.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the compass accuracy and can it be disabled if I have an external compass?\u003c\/summary\u003e\n\u003cp\u003eThe integrated HMC5883L magnetometer provides approximately 2-3 degree heading accuracy under ideal conditions (away from magnetic interference). If you have a higher-quality external compass (like IST8310 or ICM20948), you can disable the NEO-M8N compass in firmware parameters and use only the external unit. However, for most applications, the integrated compass is sufficient and eliminates the need for additional hardware, reducing weight and complexity.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I achieve the best GPS accuracy with this module?\u003c\/summary\u003e\n\u003cp\u003eOptimal accuracy requires: (1) mounting the antenna with clear sky visibility above 45 degrees elevation, (2) maintaining at least 6-8 satellite lock before arming, (3) allowing 2-3 minutes of stationary initialization for\n\u003c\/p\u003e\u003c\/details\u003e\n\u003ch2\u003eBuy NEO-M8N GPS Module with Compass for APM Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eNEO-M8N GPS Module with Compass for APM\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\u003c\/a\u003e, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat.\u003c\/p\u003e\n\u003cp\u003eOur team in Bengaluru is available 24\/7 to support your journey from product selection to project completion.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":44005497995427,"sku":"TES-EVN2123","price":2406.2,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/jlgyug-uh-uhy-314x252.jpg?v=1707828571","url":"https:\/\/www.theengineerstore.in\/hi\/products\/neo-m8n-gps-module-with-compass-for-apm","provider":"The Engineer Store","version":"1.0","type":"link"}