NEO 3X is a GNSS receiver with IP66 protection level. It supports four-star system integration and has a variety of built-in waterproof and dustproof structural designs and materials to meet dustproof and waterproof requirements in various environments. It has built-in STM32F4 series processor, ICP2100 barometer, Ublox M9N module and RM3100 industrial grade compass, and supports DroneCan protocol.

MP set

[!NOTE] Ardupilot 4.1.0/PX4 1.13.0 and above support NEO 3X.


  • IP66 dustproof and waterproof design, adaptable to complex environments.
  • Integrated Ublox new generation GNSS module (NEO-M9N).
  • Supports simultaneous reception of GPS, Galileo, GLONASS, and Beidou satellite systems.
  • DroneCAN standard protocol, high real-time performance and strong anti-interference ability
  • Industrial grade sensor (RM3100), better anti-interference performance
  • High performance MCU

Data sheet

Data sheet
Protocol DroneCAN
Compass RM3100
Barometer ICP-20100
GNSS receiver Ublox M9N
Frequency band GPS: L1C/A
Number of concurrent GNSS 4
Horizontal accuracy 1.5m
Number of satellites(MAX) 32+
Acquisition Cold start:24S
Hot start:2S
Aided start:2s
Nav. update rate 5Hz(default),25Hz(MAX)
Sensitivity Tracking and nav:-167dBm
Cold start Hot star:-148dBm
Reacquisition: -160dBm
Protection level IP66
Input voltage 4.7~5.2V
Operating temperature -10~70℃
Size 67*67*21.2mm
Weight 46g(no cable)

[!NOTE] Ardupilot 4.1.0 and above firmware supports NEO 3X.


CUAV Store

Connect to Pixhawk V6X

MP set

  • NEO 3X connected to autopilot CAN1/CAN2 interface

[!TIP] The settings for other ArduPilot/PX4 flight stacks are the same.

Autopilot parameter settings

Before use, you need to set the autopilot parameters to enable Neo 3X; there are different setting methods depending on the autopilot firmware.

ArduPilot firmware

Set the following parameters in all parameter tables of Mission planner and restart after writing:

  • CAN_P1_DRIVER set to1.
  • CAN_P2_DRIVER set to 1.
  • NTF_LED_TYPES set to 231.
  • GPS_TYPE set to 9(As GPS1).

MP set

PX4 firmware

Open QGroundControl>Parameters and modify the following parameters

  • UAVCAN_ENABLESet to Sensors Automatic config .
  • UAVCAN_SUB_GPS Set to Enable.

MP set

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