Holybro DroneCAN M9N GPS
Holybro DroneCAN M9N GPS comes with a UBLOX M9N module, a BMM150 compass, and a tri‑colored LED indicator.
Furthermore, it uses an STM32G4 processor and adopts the DroneCAN protocol for communication.
In particular, this protocol delivers higher reliability and stronger anti‑electromagnetic interference performance when compared with serial connections.
In addition, it does not occupy any serial port on your flight controller.
Most importantly, you can reserve these serial interfaces for other onboard sensors.
Meanwhile, multiple CAN devices can share one CAN bus by using a CAN splitter board.
Moreover, drone developers can conveniently expand peripherals without complicated wiring adjustments.
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Specification:
| DroneCAN M9N | |
| GNSS Receiver | Ublox NEO M9N |
| Number of Concurrent GNSS | Up to 4 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 |





















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