transmitter

Plural: transmitters

Noun

• someone who transmits a message
• any agent (person or animal or microorganism) that carries and transmits a disease
  • "aphids are transmitters of plant diseases"
• set used to broadcast radio or tv signals
• One who or that which transmits something (in all senses).
• An electronic device that generates and amplifies a carrier wave, modulates it with a meaningful signal derived from speech, music, TV or other sources, and broadcasts the resulting signal from an antenna.

Synonyms

sender, vector