Command CAL
This command is to ask tracker to call specific phone number, it will call back after receiving command.
1234,CAL;+8613800138000
Tracker
User SMS
G7S V1.00
CAL:+8613800138000
EXT_PWR=11.94V
BAT=3.90V
#9
Command VER
This command is to query current hardware and firmware version of tracker.
1234,PRQ
Tracker
User SMS
G7S V1.00
VER:V1.02-US;V1.00
EXT_PWR=11.94V
BAT=3.90V
#10
Command FWU
This command is to activate OTA firmware upgrade via GPRS.
1234,FWU
Tracker
User SMS
G7SW V1.00
FWU
EXT_PWR=11.94V
BAT=3.90V
#10
The OTA upgrade process may cost around 10 minutes and there is an confirm message for it.
Tracker
User SMS
G7SW V1.10
Upgrade Success!
EXT_PWR=11.94V
BAT=3.90V
#11