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Ultrasonic Microphone

Discussion in 'General Electronics Discussion' started by MADrone, Jun 12, 2013.

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  1. MADrone


    May 28, 2013
    We were looking for an ultrasonic microphone that can capture sounds at about 22kHz from a maximum of 300m away. Do you have any low-cost suggestions?

    Thank you.
    Last edited: Jun 12, 2013
  2. Raven Luni

    Raven Luni

    Oct 15, 2011
    WM61A electret. I use them in my bat detectors.
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