User's Manual

Product Technical Specification & Customer Design Guidelines
82 Proprietary and Confidential - Contents subject to change 2400074
Extended AT commands for testing
Sierra Wireless provides proprietary AT commands that may help in hardware
integration design and testing (these commands are NOT intended for use by end
users):
• [3] AirPrime MC8xxx Embedded Modules Extended AT Command Reference
(Doc# 2130616)
• [2] AirCard / AirPrime UMTS Devices Supported AT Command Reference
(Doc# 2130617)
Some useful commands from these documents for use in hardware integration
are listed in
Tab l e C-2 on page 82.
Table C-2: Extended AT commands
Command Description
Password commands
!ENTERCND Enable access to password-protected commands
!SETCND Set AT command password
Modem reset and status commands
!GRESET Reset the modem
!GSTATUS Return the operation status of the modem (mode, band,
channel, and so on)
Diagnostic commands
!BAND Select a set of frequency bands or reports current selection
!GBAND Read / set the current operating band
Test commands
!ALLUP Turn transmitter on / off and simulate ‘All UPs’
!CHAN Tune synthesizer to channel / band
!DAFTMACT Put the modem into FTM (Factory Test Mode)
!DAFTMDEACT Put the modem into online mode
!DAGGRSSI Return the RSSI (Received Signal Strength Indicator) in
dBm (GSM mode)
!DAGGAVGRSSI Return an averaged RSSI (Received Signal Strength
Indicator) in dBm (GSM mode)
!DAGGRSSIRAW Return the raw RSSI (GSM mode)
!DAGINFO Return GSM mode RF information
!DAGSLOCK Return the RF synthesizer lock state
!DAGSRXBURST Set the GSM receiver to burst mode
!DAGSRXCONT Set the GSM receiver continually on