SIM7000E NB-IoT HAT User Manual
12
Rev1.0 June 8, 2018
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4.
GNSS Debugging
4.1.
General AT commands
Commands
Description
Return
AT+CGNSPWR
GNSS Power Control:
AT+CGNSPWR =1:Turn on
AT+CGNSPWR =0:Turn off
OK
AT+CGNSTST
AT+CGNSTST=1:Send data received to AT Port
AT+CGNSTST=0: Stop sending data received to AT Port
OK
AT+CGNSINF
GNSS navigation information parsed from NMEA sentences
+CGNSINF:
OK
4.2.
GPS Debugging
1)
Connecting the GPS antenna, and place the receiver on open area outdoor
2)
AT+CGNSPWR=1 //Turn on power of GPS
3)
AT+CGNSTST=1 //
Start to sending data received to AT Port
Open u-center and set the Port and Baudrate(AT Port, COM25).
Of course, you can use another port(NMEA Port,COM27)
4)
AT+CGNSTST=0 //
Stop sending data received to UART
5)
AT+CGNSINF // Print the GPS information
6)
AT+CGNSPWR=0 //Turn off power of GPS
