SIMCOM AT GNSS
AT+SGNSCMD=1,0
AT+SGNSCFG
AT+SGNSCFG="NMEAOUTPORT",1 //Configure GNSS out to USB NMEA port before
GNSS power on
AT+SGNSCFG="NMEAOUTPORT",2
from Modem Side
AT+CGNSPWR=1
AT+CGNSINF
result
//Example of Open GNSS.
AT+CGNSPWR=1 //Turn on GNSS power(UART or USB AT port)
OK
AT+CGNSINF //Read GNSS navigation information
+CGNSINF: 1,1,20191024051848.000,31.221946,121.355565,3.417,0.00,,0,,1.4,1.7,0.9,,6,,12.4,12.0
OK
result shift from time verified to location verified
OK
AT+CGNSINF
+CGNSINF: 1,,20230315095031.434,0.000000,0.000000,-18.000,,,1,,0.1,0.1,0.1,,,,9999000.0,6000.0
OK
AT+CGNSINF
+CGNSINF: 1,,20230315095032.155,22.571717,113.887426,10.487,1.07,,1,,1.4,3.6,3.3,,4,,142.8,270.0
my location: 22.571717,113.887426
AT+CGNSSPWR=1
AT+CGNSSTST=1
AT+CGPSINFO=1
AT+CGNSSPROD
AT+CGNSSPROD
PRODUCT: UNICORECOMM,UC6228CI,R3.2.10.100Build8108
OK
SIM868
ref
simcom-at-sscom-dat
Power ON
AT+CGNSSPWR=1
wait 5~10 seconds
+CGNSSPWR: READY!
GPIO Control (optinally)
AT+CGDRT=4,1
AT+CGSETV=4,1
forward GNSS Serial Port to UART3
AT+CGNSSTST=1
Check
AT+CGPSINFO
+CGPSINFO: 2234.27181,N,11353.24648,E,010625,084110.00,20.9,0.000,
OK
AT+CGNSSINFO
+CGNSSINFO: 3,08,,,,22.5711975,N,113.8874359,E,010625,084112.00,20.9,0.000,,2.08,1.15,1.74,13
OK