User's Manual

BT-GPRS-S
Installation Guide – Preliminary Wireless Data Modem
Rev A | Feb 2003, © BlueTree Wireless Data, Inc. Page 8 of 15
Product Configuration – AT Commands
The modem can be configured by AT commands using a
terminal such as HyperTerminal.
The complete list of supported AT commands is available from
BlueTree Wireless Data.
The following commands can help you verify the modem
connection prior to setting up a dialup connection.
Turn ON the module
ATRIMRADIO=1
OK
Set the serial DCE speed
AT+IPR=115200
OK
Check the SIM card
AT+CPIN?
+CPIN: READY
Check if registered
AT+CREG?
+CREG: 0,1
Put in data mode
AT+FCLASS=0
OK
Define the PDP context
AT+CGDCONT=1,”IP”,”internet.com”,”0.0.0.0”,0,0
OK
Requested quality of service profile
AT+CGQREQ=1,0,0,0,0,0
OK
Minimum quality of service profile
AT+CGQMIN=1,0,0,0,0,0
OK
PDP context activate
AT+CGACT=1,1
OK
Check if GPRS attached
AT+CGATT?
+CGATT: 1
Select service for mobile originated SMS
AT+CGSMS=2 (GPRS with fallback to CSD)
OK
Set the COVERAGE indicator to turn on when GPRS is present
AT+RSCI=1
OK
Check signal strength
AT+RCIQ?
+RCIQ:
Serving Cell Info:
BSIC: 51
TCH: 745
RSSI: -81dBm
LAC: 2100
Cell ID: 989
Dedicated Channel Info:
TCH: 745
Channel Mode: 0