A compact high precision RTK receiver. It can track all current visible GNSS satellite signals, including BDS B1*B2/B3. GPS L1/L2/L3, GLONASS L1/L2, Galileo E1/E5a/E5b and QZSS L1/L2/L5. Its targeted application fields include Topographic Survey Work, GIS, intelligent driving, UAV, etc. It supports advanced multi-path resistance technology and low-elevation tracking technology.