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ultrasound and mobile communication

sir, Animals like bat and dolphins use ultrasonic sound waves to know what all are in there way , we humans also use ultrasonic sound eg- radio , mobile network etc ..

my question is that did bats like animals can here what all we talk in your mobile ?

pls avoid if it is a stupid question


Posted Sheen



We are using Microwaves/ radio waves with the audiowaves superimposed on them to communicate. (Modulation) The voice signals are modulated with MW/Radio waves and transmitted. The modulated signals are received by the antenna at receiving end and demodulated (the radio waves are removed and audio signals extracted) and the voice signals are regenerated. But in the case of bats, they are producing and hearing (or say sensing) the ultrasound just like a radar to navigate and find the prey

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