transmitter
US /trænsˈmɪt̬.ɚ/
UK /trænsˈmɪt̬.ɚ/
1.
a set of equipment used to generate and transmit electromagnetic waves carrying messages or signals, especially those of radio or television
:
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The radio station upgraded its main transmitter.
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A faulty transmitter caused the signal loss.
2.
a device that converts a signal from one form to another, for example, a microphone that converts sound waves into electrical signals
:
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The sensor acts as a transmitter, sending data to the central unit.
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The microphone serves as a sound transmitter.