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Radio is the technology of using radio waves to carry information, such as sound, by systematically modulating properties of electromagnetic energy waves that are transmitted through space, such as their amplitude, frequency, phase or pulse width. When the radio waves strike an electrical conductor, the oscillating fields induce an alternating current in the conductor more

Radio is the technology of using radio waves to carry information, such as sound, by systematically modulating properties of electromagnetic energy waves that are transmitted through space, such as their amplitude, frequency, phase or pulse width. When the radio waves strike an electrical conductor, the oscillating fields induce an alternating current in the conductor. Radio can be used to transmit messages within the military, as a communication system within the airport industry, or as a means of entertainment with radio entertainment shows being transmitted into the home or vehicle. They can also be accessed via smartphone.

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