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what is radio?
Question
Asked 4/4/2011 7:18:47 AM
Updated 1/17/2014 2:16:24 PM
1 Answer/Comment
Flagged by jeifunk [1/17/2014 2:16:24 PM]
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User: what is radio?

Question
Asked 4/4/2011 7:18:47 AM
Updated 1/17/2014 2:16:24 PM
1 Answer/Comment
Flagged by jeifunk [1/17/2014 2:16:24 PM]
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3
Radio is the wireless transmission of signals through free space by electromagnetic radiation of a frequency significantly below that of visible light, in the radio frequency range, from about 3 kHz to 300 GHz.
Added 1/17/2014 2:16:23 PM
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