Is low or high frequency louder?

The answer to this question is clearly no. You might suspect, that the higher the frequency, the louder we perceive a noise , but frequency does not tell us how loud a sound is. Intensity or loudness is the amount of energy of a vibration and is measured in decibels (dB). If a sound is loud, it has a high intensity.

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How is RF used in wireless communication?

Wireless transmissions are made up of radio frequency signals, or RF signals, which travel using a variety of movement behaviors (also called propagation behaviors). RF communication starts when radio waves are generated from an RF transmitter and picked up, or “heard” by a receiver at another location .

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