Data Sheet

Smart Machine Smart Decision
SIM800 Series_AT Command Manual_V1.09 147 2015-08-03
OK
Parameters
See Write Command
Response
+CMIC: (<channel0>,<gainlevel0>),…,(<channeln>,<gainleveln>)
OK
Read Command
AT+CMIC?
Parameters
See Write Command
Response
OK
ERROR
Write Command
AT+CMIC=<cha
nnel>,<gainlevel
>
Parameters
<channel> 0 Main audio channel
1 Aux audio channel
2 Main audio channel hand free mode
3 Aux audio channel hand free mode
<gainlevel> Int: 0 – 15
0 0dB
1 +1.5dB
2 +3.0 dB
3 +4.5 dB
4 +6.0 dB
5 +7.5 dB
6 +9.0 dB
7 +10.5 dB
8 +12.0 dB
9 +13.5 dB
10 +15.0 dB
11 +16.5 dB
12 +18.0 dB
13 +19.5 dB
14 +21.0 dB
15 +22.5 dB
Parameter Saving
Mode
AUTO_SAVE
Max Response
Time
-
Reference Note
 <gainleveln> value is related to <channel> specific.
 The default gain level of main audio channel is 10.
 Scope of parameter <channel> is different among SIM800 series