S&T A1-lite User Manual - page 15
IntelliTrac A1-lite Series User Guide
Systems & Technology Corp. © 2010
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(2) GPRS Configuration
Setting GPRS server using the following commands:
AT$APN=internet,username,password (APN=internet, Username=username, Password=password)
OK
AT$HOSTS=1,60.148.19.10
(Server IP address = 60.148.19.10)
OK
AT$RETRY=5,10
(Message retry settings)
OK
AT$IPTYPE=1
(Using TCP/IP mode)
OK
AT$PORT=6000
(Host application port)
OK
AT$GPRSEN=1
(GPRS enable)
OK
AT$HB=60
(Heartbeat setting)
OK
(Type AT&W command to save all command parameters into the non-volatile memory of the device.)
AT&W
OK
Please refer to IntelliTrac A Series Protocol Document for detailed command descriptions.