29
3
AT+CRSM
Restricted SIM access.
4
AT+SPIC
Time remain to input SIM PIN/PUK
5
AT+CSPN
Get service provider name from
SIM.
6
AT+CRFSIM
Reinitialize the SIM card.
G. Hardware Related Commands
Syntax
Expect Result
Description
1
AT+CTXGAIN
Set TX gain.
2
AT+CRXGAIN
Set RX gain.
3
AT+CTXVOL
Set TX volume.
4
AT+CRXVOL
Set RX volume.
5
AT+CTXFTR
Set TX filter.
6
AT+CRXFTR
Set RX filter.
7
AT+CVALARM
Low voltage Alarm.
8
AT+CRIIC
Read values from register of IIC
device.
9
AT+CWIIC
Write values to register of IIC
device.
10 AT+CVAUXS
Set state of the pin named
VREG_AUX1.
11 AT+CVAUXV
Set voltage value of the pin named
VREG_AUX1.
12 AT+CGPIO
Set Trigger mode of interrupt GPIO.
13 AT+CGDRT
Set the direction of specified GPIO.
14 AT+CGSETV
Set the value of specified GPIO.
15 AT+CGGETV
Get the value of specified GPIO.
16 AT+CGISR
Set interrupt trigger condition and
start such interruption.
17 AT+CADC
Read ADC value.
18 AT+CMICAMP1
Set value of micamp1.
19 AT+CVLVL
Set value of sound level.
20 AT+SIDET
Digital attenuation of sidetone.
21 AT+CECM
Enable/Disable Echo Canceller.
22 AT+CNSM
Enable/Disable Noise Suppression.
23 AT+CECSET
Adjust the effect for the given echo
cancellation mode.
24 AT+CRIRS
Reset RI pin of serial port.
25 AT+CSUART
Switch UART line mode.
26 AT+CMUX
Enable the multiplexer over the
UART.
27 AT+CMUXSRVPORT
Configure the specific virtual com
port to the appropriate service.