通讯规格

Parameter	Value
Interface	RS232/RS422/CAN/USB
Speed	4800 to 1M baud
Protocol	FDILink/NMEA0183/NMEA2000 /UBX/RTCM
Peripheral Interface	2xRS232 ,1xRS422, 1xCAN, 1xUSB, and 2x GPIO(pps、i/o、odom、coder )
GPIO Level	5 V