Specifications

AT Command Set Reference
Ver. 1.00
GSM1308AT001 Page 342 Ver. 1.00 – 10/29/2008
4.14.1. $AREG Auto Registration
(continued)
Notes This command sets GMS registration state.
When set to 1, upon power on, the modem
will automatically register on the GSM
network. To set the modem to
automatically attach to the GPRS network
on power on, see AT%CGAATT command.
AT+CGDCONT must be entered and saved
before MT is placed in AREG=2.
• If PIN is enabled, the modem will not
complete the auto registration
process until after the PIN has been
entered (AT+CPIN).
• Do not use AT$AREG=2 with
autobauding of the serial port and
PAD functions. The serial port will
not respond to at commands if the
modem establishes a connect state
before the baud rate has been
determined for the serial port.