Is the Ultrasonic Transmitter Highly Localized?

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Published on October 24, 2017 by Spooky2 Videos

http://www.spooky2-mall.com/ – Audible signals travel quite easily through the body. Easier than it does through air. So it is not necessary to constantly move the ultrasonic head. However, do try and place it as close as possible to the target area.

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