Brant RM3100 | High-precision magnetometer
with integrated DronCAN
In the UAV field, electromagnetic interference is a major challenge for embedded systems. Brant was designed to tackle this issue, delivering stable and reliable magnetic measurements.
Equipped with the RM3100 sensor and two DronCAN connectors, it integrates easily with modern autopilots, ensuring fast installation and optimal performance.

Key points
- RM3100 sensor: renowned for its outstanding stability and accuracy.
- Dual DronCAN connectors: for quick and direct connection to your autopilot.
- Compact and light casing: design with mounting ears for secure installation.
- Wide compatibility: perfectly suited for PX4 and Ardupilot systems.
- Dimensions: 35 × 35 × 12 mm for easy integration.
- Made in France: we design and produce our products in our engineering office in France.
- Our products are available as open source.

Brant Applications

Specifically designed for drones (UAVs), Brant RM3100 delivers accurate magnetic readings even in high-interference environments. Its compact size and DronCAN connectivity make it easy to integrate into any embedded system.

Wren Mini - GNSS L1/L5 + Mag + DroneCAN
Wren Mini | RTK module with integrated antenna
Wren Mini uses the DroneCAN protocol for communication and offers multi-band RTK with quick convergence times. The device ensures reliable performance and simultaneous reception of GPS, GLONASS, Galileo, and BeiDou signals. With its fast navigation update, Wren Mini is well-suited for dynamic applications requiring centimeter-level accuracy.
The DroneCAN protocol offers enhanced robustness compared to UART, making it more resistant to electromagnetic interference. Multiple CAN (Controller Area Network) devices can be connected to a shared CAN bus using a hub.

Key points
- Integrated LNA antenna: for optimal GNSS signal reception.
- Integrated magnetometer
- DroneCAN communication
- Standard PX4 / ArduPilot connectors: the module features standard PX4 and ArduPilot connectors, making it compatible with a wide range of UAVs.
- Compact and easy to use: with overall dimensions of 3,5 × 4,0 × 3,0 cm and a lightweight casing, it is easy to integrate into your drone.
- Maximum precision: includes a Quectel LC29H RTK chip with support for L1/L5 frequencies, ensuring centimeter-level positioning accuracy.
- Made in France: we design and produce our products in our engineering office in France.
- Our products are available as open source.

Wren Mini Applications

Designed particularly for UAVs / Drones, this module comes equipped with an integrated antenna and magnetometer, making it especially suitable for these applications. However, it is also applicable for other purposes, serving as a rover or base station.
