C24 Hardware Interface Manual
Version 0.3
TABLE 17 – Rx port Gains
Handset Vs. 0dBm0
Headset Vs. 0dBm0
AT
Command
Value
0dBm0
gain level
(dB)
0dBm0
output level
(mV
RMS
)
0dBm0
0dBm0
gain level
output level
(dB)
(mV
RMS
)
0
-35.8
12
-28.6
29
1
-32.9
17.5
-25.7
40
2
-29.8
25
-22.8
55.9
3
-27
34.5
-19.8
79.4
4
-23.8
50
-16.8
111.5
5
-20.8
70
-13.8
158
6
-17.8
100
-10.7
226
7
-14.8
140
-7.7
316.8
TABLE 18 – Microphone and Headset-Microphone port Gains
0dBm0 Input
Maximum Input
AT Command
Value
Level
Level
(mV
RMS
)
(mV
RMS
)
0
87
350
…
…
…
3
63
250
…
…
…
16
15
55
…
…
…
31
4
11
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