Waveshare SIM7600 Series - GPS AT Commands Reference; GPS Version Requirement; GPS Antenna Assembly; Optimal GPS Testing Conditions

 Remove the case, assemble the GPS antenna and replace it and close.
 When testing,You should set the receiver of GPS antenna in outside and please
test it in sunny day., Power on and waiting for several minuts to get the postion;
2、AT Commands for GPS
 Commands and test result：
AT+CGPS=1 //Open GPS
AT+CGPSINFO //Print GPS information to serial port
AT+CGPS=0 //Close GPS