AT
AT+CGMI
AT+CGMM
AT+CGSN
AT+CGMR
AT+MFLEX
AT+CIMI
AT+CPBS=?
AT+CPBS?
AT+CPBS="ME"
AT+CPBR=?
AT+CPBR=
AT+CNUM
AT+CBC
AT+CSQ
AT+CKPD=
AT+CCLK?
AT+CSCS=IRA
AT+CSCS=?
AT+CSCS=GSM
AT+CSCS=HEX
AT+CSCS=UCS2
AT+CMGF=?
AT+CMGL=
ATI1
ATI2
ATI3
ATI4
ATI5
AT+MDBAD?
AT+MODE=0
AT+MODE=1
AT+MODE=2
AT+MODE=3
AT+MODE=4
AT+MODE=8
AT+MODE=12
AT+CMOD=
AT+CMOD=?
+CMOD?
AT+CBST=x,0,y
AT+CBST?