User's Manual
TR-151A page 29
4.3 How to set TR-151A to periodically report its position by
SMS?
Users can send an SMS by mobile phone to ask TR-151A to periodically report its position.
The format of SMS is as below.
?1,IMEI,Report_Interval,Number_of_Reports,Report_Format,Return_Phone_Number!
The table below explains the content of the SMS.
Format Description
? Start sign
1 Function code
IMEI IMEI code of the TR-151A
Report_Interval Set the interval between two reporting SMS
Number_of_Reports Set how many reporting SMS should be sent
Report_Format
0 or 1. 0 is for end user, and 1 is for SMS management center
development
Return_Phone_Number The phone number for receiving the reporting SMS.
! End sign
TR-151A will send an SMS whose format is “?1,IMEI,OK!” to the return phone number to confirm
it has received the request. And then TR-151A will send the SMS with its location to the return
phone number according to the report interval.
NOTE:
If user sets the number of reports as 0, TR-151A will keeps sending the periodical report until
user send the SMS of ?2,IMEI,Return_Phone_Number! to stop the periodical report.
Example 1: Require continuous 120-sec period report in format0 sent to 626123456
You have to enter “? 1,355632000166323,120,0,0,626123456!”
TR-151A will send “? 1,355632000166323,OK!” And then you will get the position report like
Position report
Name
2008/12/15 10:20:39
N2459.8915,E12129.2186
GPS fixed
TR-151A will send position report every 120 seconds until you stop periodical report.
Stop periodical report:
Users can send an SMS to stop periodical report.
The format of SMS is following as?2,IMEI,Return_Phone_Number!










