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Noise cancelling dtmf microphone


Don't know...But there's a NOS one listed on ebay right now for $35.99 buy now.
http://www.ebay.com/itm/NEW-OLD-STO...184212?hash=item1a298be714:g:aZwAAOxy0bRTCXWA
I'm surprised more people wouldn't need or want something like this for a mobile application on a hot day without A/C and windows rolled down.
$_1-7.jpeg
 

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  • @ heartbreaker3473:
    Hello gentlemen and Ladies. I have the dreaded RCI-2990 receive issue where my radio gets distorted when people get close to my location. I found the C90 Capacitor, but I can not for the life of me find the C89 capacitor. Can or does anyone have a picture of the exact location of C89 ? Thank you in advance, Wes
  • @ AudioShockwav:
    Wes, it's better if you start a thread on the main forum, more people are going to see your question.
  • @ heartbreaker3473:
    Okay, sorry, will put in a forum
  • @ heartbreaker3473:
    I put it in the general disscution help area and started a new thread. Thank you for letting me know.