transmitter
  • A component, device, piece of equipment, system, object, or entity which emits, radiates, or otherwise sends signals. Transmitters which send information-bearing signals are used in many areas, including communications, TV and entertainment, radars, and so on. Also called sender (1).
  • A circuit, device, or system which converts audio, video, or other content into radio waves which are emitted. AM, FM, and AM/FM transmitters are examples. Also called radio transmitter, radio sender, or sender (2).
  • That which originates or otherwise emits signals, energy, particles, waves, or the like, which move from one point to another.

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