Frequency Modulation (FM) Glossary Definition

Frequency Modulation (FM) is a Telecommunications concept used to describe how voice, video, or data signals are created, carried, modified, or received across a communications channel.

Engineers and technical writers use this concept when explaining how signals behave over copper, fiber, radio, microwave, satellite, or packet-based media.

Related concepts include Telecommunications.

Additional Resource: International Telecommunication Union: What Is Telecommunication?