Difference between revisions of "Radio"
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A | A '''radio''' is a device that either transmits or receives signals sent using low-frequency electromagnetic waves. Radio is widely used in modern communications. | ||
== See Also == | == See Also == | ||
Revision as of 15:51, 29 October 2012
A radio is a device that either transmits or receives signals sent using low-frequency electromagnetic waves. Radio is widely used in modern communications.