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NEO 3X GPS Module Parameters and Interfacing Instructions

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

 Note

ArduPilot 4.0 and higher firmware fully supports NEO 3X.

Features

  • 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 MUC

Data sheet

 
Data sheet
MUCSTM32F412
ProtocolDroneCAN
CompassRM3100
BarometerICP-20100
GNSS receiverUblox M9N
Frequency bandGPS: L1C/A
GLONASS: L10F
BEIDOU: B1I
Galileo: E1B/C
Number of concurrent GNSS4
Horizontal accuracy1.5m
Number of satellites(MAX)32+
AcquisitionCold start：24S
Hot start：2S
Aided start:2s
Nav. update rate5Hz(default)，25Hz(MAX)
SensitivityTracking and nav:-167dBm
Cold start Hot star:-148dBm
Reacquisition: -160dBm
Protection levelIP66
Input voltage4.7~5.2V
Operating temperature-10~70℃
Size67*67*21.2mm
Weight46g(no cable）

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

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Connect to Pixhawk V6X

  • NEO 3X connected to autopilot CAN1/CAN2 interface

 Tip

The settings for other ArduPilot/PX4 flight stacks are the same.

Intelligent Controller 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).
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