# How to control the microphone gain by at command?

**URL:** <https://forum.sierrawireless.com/t/how-to-control-the-microphone-gain-by-at-command/6691>\
**Category:** Legacy AirPrime modules\
**Created:** [August 26, 2013, 4:10am UTC](https://forum.sierrawireless.com/t/how-to-control-the-microphone-gain-by-at-command/6691 "2013-08-26T04:10:59Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![mot1639](https://avatars.discourse-cdn.com/v4/letter/m/7bcc69/32.png) [@mot1639](https://forum.sierrawireless.com/u/mot1639)\
**Post date:** [August 26, 2013, 4:10am UTC](https://forum.sierrawireless.com/t/how-to-control-the-microphone-gain-by-at-command/6691/1 "2013-08-26T04:10:59Z")

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Hi all  
can any one help me out to to control microphone gain by at command , this sentence I see it in technical manual for ws6318,

```auto
The gain of the MIC input is internally adjusted and can be tuned using AT commands.
```

any help please, where I can found this command, I go through at command manual , but nothing there /.

thanks and regards

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**Author:** ![lotam](https://avatars.discourse-cdn.com/v4/letter/l/958977/32.png) [@lotam](https://forum.sierrawireless.com/u/lotam)\
**Post date:** [August 26, 2013, 5:41am UTC](https://forum.sierrawireless.com/t/how-to-control-the-microphone-gain-by-at-command/6691/2 "2013-08-26T05:41:41Z")

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Hi,

Both analog and digital (PCM) audio is supported on WS6318 and related commands available for each audio interface.

The command is,  
for analog audio: +VGT  
for digital audio: +WDGT

Please refer to the AT command guide available at developer zone for details:  
[http://developer.sierrawireless.com/Resources/Resources/AirPrime/Software/AirPrime\_WS6318\_Firmware\_AT\_Command\_Manual.aspx](http://developer.sierrawireless.com/Resources/Resources/AirPrime/Software/AirPrime_WS6318_Firmware_AT_Command_Manual.aspx)

Thx

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**Author:** ![mot1639](https://avatars.discourse-cdn.com/v4/letter/m/7bcc69/32.png) [@mot1639](https://forum.sierrawireless.com/u/mot1639)\
**Post date:** [August 26, 2013, 8:30am UTC](https://forum.sierrawireless.com/t/how-to-control-the-microphone-gain-by-at-command/6691/3 "2013-08-26T08:30:35Z")

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Thanks for your quick replay ,

I was thing that the microphone gain is too low , so that , now I still can’t hear any thing .

1- I connect different type of microphone in micp and micn with 33pf and without it … and when I call other land line phone (i use ATD ) I can’t hear single thing , also there are no noise at all ??? is there are any tips for this issue … ?

thanks in advance for you support

regards

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**Author:** ![mot1639](https://avatars.discourse-cdn.com/v4/letter/m/7bcc69/32.png) [@mot1639](https://forum.sierrawireless.com/u/mot1639)\
**Post date:** [August 26, 2013, 5:11pm UTC](https://forum.sierrawireless.com/t/how-to-control-the-microphone-gain-by-at-command/6691/4 "2013-08-26T17:11:07Z")

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any replay please .

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<div class="post-metadata">

**Author:** ![mot1639](https://avatars.discourse-cdn.com/v4/letter/m/7bcc69/32.png) [@mot1639](https://forum.sierrawireless.com/u/mot1639)\
**Post date:** [August 27, 2013, 3:22am UTC](https://forum.sierrawireless.com/t/how-to-control-the-microphone-gain-by-at-command/6691/5 "2013-08-27T03:22:19Z")

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I chick the micp and micn , but there are no dv voltage on it? any one , where is my problem