What is transmitter?
transmitter: Noun 1. One that transmits: a transmitter of disease. 2. a. An electronic device that generates and amplifies a carrier wave, modulates it with a meaningful signal derived from speech or other sources, and radiates the resulting signal from an antenna. b. The portion of a telephone that converts the incident sounds into electrical impulses that are conveyed to a remote receiver. c. A telegraphic sending instrument. 3. A neurotransmitter.