GLOBALSAT TR-151SP - Manual (Page 10)

TR151-SP page 10
4. Operating the TR151-SP
4.1 How to set TR151-SP to immediately report its position?
Users can make TR151-SP to do SMS or/ and GPRS immediate report of its location by the
command media of SMS or GPRS. .
The command is following as:
SMS Command Media for Immediate Report
SMS Report Media ?0,IMEI,Report_Format,Report_Phone_Number!
GPRS Report Media ?8,IMEI,Return_Phone_Number!
SMS and GPRS Report
Media
?21,IMEI,Report_Format,Report_Phone_Number!
GPRS Command Media for Immediate Report
SMS Report Media $0,IMEI,Report_Format,Report_Phone_Number!
GPRS Report Media $8,IMEI!
SMS and GPRS Report
Media
$21,IMEI,Report_Phone_Number!
The table below explains the content of the command.
Format Description
?,$ Start sign
0,8,21 Function code
IMEI IMEI code of the TR151-SP
Report_Format 0 or 1. 0 is text format. 1 is NMEA format
Report Phone Number The phone number for receiving the report and OK message
Return Phone Number The phone number for receiving OK message
! End sign
TR151-SP will send OK message to the return phone number when the command media is SMS
or to GPRS server when the command media is GPRS to confirm it has received the request.
And then it will start to get fixed the position. After getting fixed the position, it will send its
location to the report phone number or GPRS server. If TR151-SP can not get fixed the position
within the “Maximum GPS Fixing Time”, it will return the previous location.