GLOBALSAT TR-151SP - Manual (Page 19)

TR151-SP page 19
SMS2:
?4,355632000166323,C,E12228.1883,N2442.8117,1000,out,120,10,1,616123456!
SMS3:
?4,355632000166323,C,E12328.1883,N2542.8117,1500,out,120,10,1,616123456!
Exit Geo-fence mode:
Users can send an SMS exit Geo-fence mode.
The format of SMS is following as:
?2,IMEI,Return_Phone_Number!
Users can also exit from geo-fence mode by GPRS command
“$2,IMEI!”
Caution:
If you exit Geo-fence mode, all the settings will be deleted.