Radio is the wireless transmission of signals through free space by electromagnetic radiation of a frequency, or frequencies, as with spread spectrum transmissions.
notice it does not say anything about audio, video, or digital, just signals, which means the transmission of anything you can modulate the radio frequency with.
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radio
Radio is the wireless transmission of signals through free space by electromagnetic radiation of a frequency, or frequencies, as with spread spectrum transmissions.
notice it does not say anything about audio, video, or digital, just signals, which means the transmission of anything you can modulate the radio frequency with.