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Holybro DroneCAN M8N GPS Module - STM32G4 Processor BMM150 Compass 3GNSS Support DroneCAN Protocol

Holybro DroneCAN M8N GPS Module - STM32G4 Processor BMM150 Compass 3GNSS Support DroneCAN Protocol


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The Holybro DroneCAN GPS has an UBLOX M8N or M9N module, BMM150 compass, tri-colored LED indicator. It has the STM32G4 Processor and adopted the DroneCAN protocol for communication, making it more reliable and better in dealing with electromagnetic interference compare to serial connection. It does not occupy any serial port of the flight controller, and different CAN devices can be connected to the same CAN bus via a CAN splitter board.


  DroneCAN M8N
GNSS Receiver Ublox NEO M8N
Number of Concurrent GNSS Up to 3 GNSS (GPS, Galileo, GLONASS, BeiDou)
Processor STM32G4 (170MHz, 512K FLASH)
Compass BMM150
Frequency Band GPS: L1C/A GLONASS: L10F Beidou: B1I Galileo: E1B/C
GNSS Augmentation System SBAS: WAAS, EGNOS, MSAS, QZSS
Navigation Update 5Hz Default(10Hz MAX)     
Accuracy 2.5m
Speed Accuracy 0.05 m/s
Max # of Satellites 22+
Communication Protocol DroneCAN @ 1 Mbit/s
Supports Autopilot FW PX4, Ardupilot
Port Type GHR-04V-S
Antenna 25 x 25 x 4 mm ceramic patch antenna
Power consumption Less than 200mA @ 5V
Voltage 4.7-5.2V
Operating Temperature -40~80C
Size Diameter: 54mm Thickness: 14.5mm
Weight 36g
Cable Length 26cm
Other Notes - LNA MAX2659ELT+ RF Amplifier
- Rechargeable Farah capacitance
- Low noise 3.3V regulator

For other technical information, please go to


DroneCAN is the primary CAN protocol used by the ArduPilot and PX4 projects for communication with CAN peripherals. It is an open protocol with open communication, specification and multiple open implementations.

DroneCAN Development

The DroneCAN project has an active development community.

Additional DroneCAN Information:
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