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                        What navigation systems does the base station support? What are the satellite re                     
                        It simultaneously receives:
GPS:L1,L2,L5
Beidou:B1,B2,B3
GLONASS:F1,F2
Galileo:E1,E5A,E5B
                     
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                        What is the positioning accuracy of the base station?                     
                        Single Point
Level: 1.5 m (RMS)
Vertical: 3.0 m (RMS)
RTK
Level: 1 cm+1 ppm (RMS)
Vertical: 1.5 cm + 1 ppm (RMS)                     
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                        How long does it take to charge the base station?                     
                        About 120 minutes.                     
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                        What is the working duration of the base station?                     
                        When fully charged, the working time is more than 7.5 hours.