CUAV NEO 3 Pro 
PX4 v1.13NEO 3Pro is a DroneCan GPS receiver produced by CUAV. It integrates UBLOX M9N, STM32F4 MCU, RM3100 compass, three-color LED light and safety switch.

Technical Specifications 
| Hardware | Type | 
|---|---|
| Processor | STM32F412 | 
| Compass | RM3100 | 
| Barometer | MS5611 | 
| GNSS receiver | UBLOX NEO M9N | 
| RGB drive | NCP5623C | 
| Buzzer | Passive buzzer | 
| Safety switch | Physical button | 
| GNSS | Beidou, Galileo, GLONASS, GPS | 
| GNSS Augmentation System | SBAS:WAAS,EGNOS,MSAS QZSS:L1s(SAIF) other:RTCM3.3  | 
| Number of concurrent GNSS | 4 | 
| Frequency band | GPS:L1C/A GLONASS:L10F Beidou:B1I Galileo:E1B/C  | 
| Horizontal accuracy | 2.0M | 
| Speed accuracy | 0.05M/S | 
| Nav. update rate | 25Hz(Max) | 
| Acquisition | Cold start:24S Hot start:2S Aided start:2s  | 
| Number of satellites(MAX) | 32+ | 
| Sensitivity | Tracking and nav-167dBm Cold start Hot star-148dBm Reacquisition -160dBm  | 
| Protocol | UAVCAN | 
| Port TYpe | GHR-04V-S | 
| Supported flight controller | CUAV series, Pixahwk series  | 
| Wave filtering | SAW+LNA+SAW | 
| Anti-Electromagnetic/radio frequency interference | EMI+RFI | 
| Upgrade firmware | support | 
| Input voltage | 5V | 
| Operating temperature | -10~70℃ | 
| Size | 60_60_16MM | 
| Weight | 33g | 
Where to Buy 
Wiring and Connections 
NEO 3 Pro connected to autopilot CAN1/CAN2 interface

PX4 Configuration 
Open QGroundControl > Parameters and modify the following parameters:
UAVCAN_ENABLESet toSensors Automatic config.UAVCAN_SUB_GPSSet toEnable.
