User's Manual
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 tri
gger 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.