Entering AT commands
Page 28 of 31
TAINY GMOD-T1
File 3159AD001_V1_3_050701.doc
File saved
01.07.2005
File printed
01.07.2005
State Freigabe
Autor Katharina
Bora
4.2 Some
AT
commands
Command
Explanation
Reply from device
AT+CPIN=“xxxx“
Enters PIN
OK
/ERROR
AT+CPIN?
Checks PIN status
READY
/ SIM PIN
AT+CGDCONT=1,“IP“,“<APN>“
,“0.0.0.0“,0,0
Sets APN
OK
/ERROR
AT+CREG?
Checks status in GSM
network
+CREG 0,1
(registered)
+CREG 0,3 (reg. denied)
+CREG 0,5 (roaming)
AT+CSQ
Checks signal quality
+CSQ: xx,99
0 < xx < 31
xx should be greater than
10. The minimum is 5
ATD<nnn>
(without semi-colon)
Dials the number <nnn>
(data, fax, GPRS
connection)
CONNECT
BUSY
NO CARRIER
ATA
Accept incoming call
OK
+++ ATH
Disconnect data
connection
OK
You will find a list of AT commands in the PDF file
AT Command Set
on the CD
supplied. (Please not that voice functionality is not supported).