Overview
The ZeroOne OneGNSS M9N GPS module is a CAN bus GNSS + compass module based on the u-blox M9N receiver, integrating an RM3100 magnetometer and an ICP20100 barometer. The unit includes LED indicators labeled “GPS FIX” and “SAFETY”, plus an integrated safety switch and buzzer.
Key Features
- u-blox M9N GNSS receiver
- RM3100 compass (magnetometer)
- ICP20100 barometer
- DroneCAN bus communication
- Supports GPS, GLONASS, BeiDou, and Galileo reception
- Integrated LED indicators, buzzer, and safety switch
- EMI + RFI design and SAW + LNA + SAW front-end filtering (as listed)
Specifications
| Satellite receiver | u-blox M9N |
| Processor | STM32G474 |
| Communication protocol | DroneCAN bus |
| Compass | RM3100 |
| Barometer | ICP20100 |
| Buzzer | Yes |
| Safety switch | Yes |
| LED | Yes |
| Working frequency bands | GPS: L1 C/A; GLONASS: L1OF; Beidou: B1I; Galileo: E1B/C |
| Satellite augmentation systems | SBAS: WAAS, EGNOS, MSAS; QZSS: L1S (SAIF); Other: RTCM3.3* |
| Navigation update rate | 25 Hz |
| Search channels | 32 |
| Positioning accuracy | Horizontal accuracy: 2 m; Speed accuracy: 0.05 m/s |
| Acquisition time | Cold start: 24 s; Reacquisition: 2 s; Assisted start: 2 |
| Sensitivity | Tracking & navigation: -167 dBm; Cold start & hot start: -148 dBm; Reacquisition: -160 dBm |
| Filter | SAW + LNA + SAW |
| EMI protection | EMI + RFI |
| Weight | 37 g |
| Dimensions | 62 mm; 17.5 mm |
What’s Included
- OneGNSS M9N module
- CAN/I2C cable: 60 cm
- Certificate
- User manual (printed)
- 3M adhesive pads x 2
- GPS bracket
Applications
- CAN bus GNSS positioning and navigation integration
- DroneCAN-based autopilot/robotics GNSS + compass + barometer setups
For product support and pre-sales questions, contact support@rcdrone.top or visit https://rcdrone.top/.
Details

OneGNSS M9N GPS module with ublox, RM3100 compass, ICP2100 barometer, safety switch, buzzer. Features GPS FIX and SAFETY indicators on circular white device.

OneGNSS M9N uses u-blox M9N receiver, supports BeiDou, GPS, Galileo, GLONASS. Features CAN bus, M3100 compass, ICP20100 barometer, buzzer, safety switch. High sensitivity, strong anti-interference, improved positioning accuracy.

OneGNSS M9N CAN Bus GNSS Compass Module device with software interface displaying satellite positions, signal strength, and navigation data.

OneGNSS M9N GPS module specs: ublox M9N receiver, STM32G474 processor, 25Hz refresh, 32 satellites, 2m horizontal accuracy, 37g weight, supports multiple GNSS systems and SBAS. Includes buzzer, safety switch, LED.

OneGNSS MOND4IA device, compatible with CAN/I2C protocol, features a 60cm antenna and has an operating temperature range of -40 to 85°C.
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