what is the principle of a walky talky.?
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i don't even know who was the principal of my school
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Fundamental Principle behind radio stations walkie-talkie. Any walkie-talkie can be a two-way radio stations transceiver. It really is hand-held and also portable and also was at first developed for used in the armed service. It features a half-duplex route.
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When someone wants to to talk to the others, they hold the push-to-talk button on their handset.
Their radio goes quiet as their loudspeaker switches over to a microphone. As they talk into it, their words are converted into radio waves and beamed out on the prearranged channel (typically at a frequency around 460 MHz).
Since radio waves are part of the electromagnetic spectrum, they travel at the speed of light (300,000 km/second or 186,000 miles/second), so the waves are picked up almost instantaneously by the other handsets.
The radio waves are converted back into fluctuating electric currents and the loudspeakers use those to reproduce the sound of the talker's voice.
HOPE IT HELPS U ❤️ ❤️
When someone wants to to talk to the others, they hold the push-to-talk button on their handset.
Their radio goes quiet as their loudspeaker switches over to a microphone. As they talk into it, their words are converted into radio waves and beamed out on the prearranged channel (typically at a frequency around 460 MHz).
Since radio waves are part of the electromagnetic spectrum, they travel at the speed of light (300,000 km/second or 186,000 miles/second), so the waves are picked up almost instantaneously by the other handsets.
The radio waves are converted back into fluctuating electric currents and the loudspeakers use those to reproduce the sound of the talker's voice.
HOPE IT HELPS U ❤️ ❤️
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