GLOBALSAT TR-151 - Manual (Page 16)

2.1.7 How to make TR-151 to immediately report its position by SMS?
You can send an SMS to ask TR-151 to immediately report its position.
The format of SMS is following as:
?0,IMEI,Report_Format,Return_Phone_Number!
The table below explains the content of the SMS.
Format Description
? Start sign
0 Function code
IMEI IMEI code of the TR-151
Report_Format 0 or 1. 0 is for end user, and 1 is for call center development
Return_Phone_Number The phone number for receiving the reporting SMS.
! End sign
TR-151 will send an SMS whose format is “?0,IMEI,OK!” to the return phone number 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 SMS with its location to the return phone number.
Example: Ask TR-151 to send immediate report in format0 to 626-123456.
You have to enter ?0, 355632000166323,0,626123456!
And then you will get ?0,355632000166323,OK!. After TR-151 get fixed of the position, you
will get the position report like
Position report
Name
2008/12/15 10:20:39
24.99622 , 121.48992
GPS fixed
NOTE:
1. The unit of coordinates for report format 0 in the immediate report is degree. The unit of
coordinates for report format 1 in the immediate report is degree and minute with a 4-digit
decimal fraction
2. If TR-151 can not get fixed the position within the “Maximum GPS Fixing Time”, it will
return the previous location. When the GPS position is fixed, it will again return the
position data.
3. Please refer “ How to configure TR-151 by SMS? .” to set “Maximum GPS Fixing Time”
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