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Alternative frequency

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This is an old revision of this page, as edited by Bearcat (talk | contribs) at 21:42, 5 January 2020 (removed Category:Radio; added Category:Radio technology using HotCat). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Alternative frequency (or AF) is an option that allows a receiver to re-tune to a different frequency that provides the same station, when the first signal becomes too weak (e.g. when moving out of range). This is often used in car stereo systems, enabled by Radio Data System (RDS), or the U.S.-based Radio Broadcast Data System (RBDS).