NEO 3 pro Introduction：
NEO 3 Pro is an M9N navigation product using the UAVCAN communication protocol. Integrated positioning system, magnetic compass, flight control status light, flight control siren, barometer in one, industrial grade magnetic compass, can receive four major satellite navigation and positioning signals at the same time.

NEO 3 pro Features：
1 --Ublox M9N satellite receiver, accuracy up to 0.7m
2 --Support Beidou, Galileo, Glonas, GPS four satellite systems
3 --Supports simultaneous reception of four satellite systems
4 --Triple filter design