GLOBALSAT TR-151 - Manual (Page 29)

you send the SMS of ?2,IMEI,Return_Phone_Number!” or send the command of
“$2,IMEI!” to stop the periodical report.
2. The unit of coordinates for report format 0 in the periodic report is degree. The unit of
coordinates for report format 1 in the periodic report is degree and minute with a 4-digit
decimal fraction
2.2.11 How to make TR-151 to make GPRS periodical report by
GPRS server?
You can send a command by GPRS server to ask TR-151 to periodically report its position via
GPRS network to GPRS server.
The format of command is as below.
$9,IMEI,Report_Interval!
The description of command
Format Description
$9 Start sign and function code
IMEI IMEI of TR-151
Report_Interval Time interval of sending data report. The range is 5-86400 second.
! End sign
TR-151 will send a message “$OK!” to the GPRS server to confirm it has received the request.
Then it will periodically send the periodical report according to the report interval.
Example 1: Require 120-sec period report
You have to enter “$9,355632000166323,120!
Example 2: Require 180-sec period report
$9,355632000166323,180!
Stop GPRS periodical report:
You can send a command to stop periodical report.
The format of command is following as:
$2,IMEI!
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