Zubax GNSS 2

Zubax GNSS 2 is a multipurpose high-performance positioning module interfaced via CAN bus, USB, and UART. It includes a state-of-the-art multi-system GPS/GLONASS receiver, a high-precision barometric altimeter, and a 3-axis compass with thermal compensation. Zubax GNSS 2 supports variety of standard protocols, which ensures compatibility with most of existing software and hardware: UAVCAN (over CAN bus), NMEA 0183 (over USB and UART), and u-Blox M8 protocol.

Zubax GNSS 2 is an open source product - its firmware sources and 3D printable models are freely available from our Github profile page.



  • State-of-the-art concurrent GPS/GLONASS receiver u-blox MAX-M8Q
    • Full RF shielding of the GNSS circuits ensures reliable operation in high-EMI environments
    • 35 mm high gain patch antenna with large ground plane for reliable reception even in urban canyons
    • Analog front end with LNA and SAW ensures high noise resilience
    • Rechargeable backup battery enables low time-to-first-fix (a few seconds)
    • Up to 15 Hz update rate
  • High precision digital barometer Measurement Specialties MS5611
    • Altitude resolution 10 cm
  • 3-axis digital compass Honeywell HMC5983 with thermal compensation


  • Doubly redundant UAVCAN with standard connectors
    • Continuous self diagnostic and failure detection outputs
    • Configuration
    • Can be used in non-redundant mode as well (one interface will be inactive)
    • Firmware update
  • USB
    • NMEA output for all sensors
    • Direct access to the u-blox module
    • Diagnostics and configuration via command-line interface
  • UART
    • NMEA output for all sensors


  • Top notch positioning performance
  • Extensive, continuous self diagnostics and failure detection make Zubax GNSS a favorable choice for safety-critical applications
  • Compact size