NEO 3 Pro GNSS UAV Module

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NEO continues the hardware design of NEO V2, upgrade the GNSS module to Ublox NEO M9N, supports Beidou, Galileo, Glonas and GPS receive at the same time, and the horizontal positioning accuracy is up to 0.7M. Integrated with safety switch, buzzer, RGB light.


Buzzer prompt

safety switch


MS5611 Barometer

Ublox M9N Satellite receiver

New generation satellite receiver Ublox M9N,The actual measurement can reach a maximum accuracy of 0.7m.

RGB Status Light

RM3100 Industrial Compass

NEO 3 Pro GNSS UAV Module  

Simultaneous reception by the four satellite systems

Supports simultaneous reception of Beidou, Galileo, Glonas, and GPS four satellite systems

NEO 3 Pro GNSS UAV Module  
NEO 3 Pro GNSS UAV Module  NEO 3 Pro GNSS UAV Module  


CROCOMM custom antenna

Special four-star high gain antenna

Built-in high-precision barometer

Built-in MS5611 high-precision barometer to meet the needs of different application scenarios

NEO 3 Pro GNSS UAV Module  

Triple filter design

NEO 3 Pro adopts SAW+LNA+SAW triple filter design, effectively avoiding the influence of remote control, data transmission, 4G signal on GPS positioning reception

Open source program, support custom program

NEO 3 Pro GNSS UAV Module  

NEO 3 Pro Specifications

RGB driveNCP5623C
BuzzerPassive buzzer
Safety switchPhysical button
GNSSBeidou、Galileo、 GLONASS、 GPS
Number of concurrent GNSS4
Frequency bandGPS:L1C/A
Horizontal accuracy2.0M
Speed accuracy0.05M/S
Nav. update rate25Hz(Max)
AcquisitionCold start:24S
Hot start:2S
Aided start:2s
Number of satellites(MAX)32+
SensitivityTracking and nav-167dBm
Cold start Hot star-148dBm
Reacquisition -160dBm
Port TYpeGHR-04V-S
Supported flight controllerCUAV series,
Pixahwk series
Wave filteringSAW+LNA+SAW
Anti-Electromagnetic/radio frequency interferenceEMI+RFI
Upgrade firmwaresupport
Support Flight control typeArdupilot/PX4*(PX4 is still working hard to adapt to the clock)
Input voltage5V
Operating temperature-10~70℃
  • NEO 3 Pro level accuracy when the SBAS enhancement system is turned on, the nominal accuracy is 1.5m (default); when the SBAS enhancement system is turned off, it is 2.0m
  • NEO 3 Pro supports RTCM3.3 injection, but does not support RTCM output; it can achieve pseudorange differential (meter-level positioning) but does not support carrier phase differential (RTK), and it needs a base station that supports RTCM3.3 output.
Ardupilot 4.0.0 and above firmware supports NEO 3 PRO, and PX4 firmware is still in the adaptation stage.

Use tutorial

Connect to V5+

NEO 3 Pro GNSS UAV Module  Please connect it to the flight control CAN1 / CAN2 interface (CAN1 is recommended)

The connection of other PIX flight controllers is the same.

Autopilot parameter settings​

You need to set flight control parameters to enable Neo 3 pro; there are different setting methods according to the flight control firmware.

ArduPilot firmware

Set the following parameters in all parameter tables of Mission planner and restart after writing
  • CAN_P1_DRIVER set to 1.
  • CAN_P2_DRIVER set to 1.
  • NTF_LED_TYPES set to 231.
  • GPS_TYPE set toNEO 3 Pro GNSS UAV Module  NEO 3 Pro GNSS UAV Module  
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