Vgr, +Vgt - Wavecom WMO1-G900 User Manual

Wavecom GSM Modem
3.11. Gain control
This command shall be used by the application to tune the receive gain
of the speaker and transmit gain of the microphone. The application shall
send
AT+VGR=<val>
0 to 15
16 to 31
32 to 47
48 to 63
64 to 79
80 to 95
96 to 111
112 to 127
128 to 143
144 to 159
160 to 175
176 to 191
192 to 207
208 to 223
224 to 239
240 to 255
16 levels for receive gain are provided and 8 levels for transmit gain.
Application to GSM
GSM to application
Application to GSM
GSM to application
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for the receive gain
+6 db
+4 db
+2 db
0 db
-2 db
-4 db
-6 db
-8 db
-10db
-12 db
-14 db
-16 db
-18 db
-20db
-22 db
-24 db
AT+VGR=25
OK
AT+VGT=45
OK

+VGR, +VGT

AT+VGT=<val>
0 to 31
32 to 63
64 to 95
96 to 127
128 to 159
160 to 191
192 to 223
224 to 255
command valid
command valid
for the transmit gain
+14 db
+17 db
+20 db
+23 db
+26 db
+29 db
+32 db
+35 db
17