14
P.S. The old APN will be invalid when you set a new APN.
As soon as the IP & Port & APN are set up, the user can make a call or send SMS to
tracker. The tracker will hand up the telephone and report the coordinates to IP
address.
The message sent by tracker to IP address is as following:
09072313616959853,GPRMC,214830.000,A,3017.2558,N,09749.4888,W,26
.9,108.8,230709,,,A*61,F, Help me,imei: 359587013388627,
05,264.5,F:3.79V,0,122,13990,310,01,0AB0,345A
090723164830=Serial no.(year, month, date, hour, minute, second )
+13616959853=Authorized no.
GPRMC,214830.000,A,3017.2558,N,09749.4888,W,26.9,108.8,230709,,,A*61=standa
rd GPRMC sentences.
F=GPS signal is full, if it indicate " L ", means GPS signal is low
Help me=It is the SOS message, and this section is blank for tracking message
IMEI=Identify no.of the tracker
05=Means you get 5 GPS fix (from 3 to 10 )
264.5=Altitude
F: 3.79V =Battery voltage
0=Means the tracker is NOT charged. 1 means the tracker is charged
122=The length of the GPRS string
13990=Checksum
310=MCC Mobile Country Code
01=MNC Mobile Network Code
0AB0=LAC
Location area code
345A=Cell ID
