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It is a wireless transmission of signals. By the help of modulation of the frequency the process is done. The electromagnetic waves ranges are approximate frequency from 10 kilohertz to 300,000 megahertz. It is responsible for transmission of program for the radio broadcast. Basically it is the station for radio transmitting.

The electromagnetic waves are sending by radio transmitter. The combination of electrical and magnetic filed is called as electromagnetic waves. Basically radio converts the electromagnetic waves into signal into sound.

Radio is in various types. AM and FM are the main two categories of radios. Am/Fm radios are multi mode Tran receiver which is transmitted and received is combined.

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