In broadcasting, a transposer or translator is a device in or beyond the service area of a radio or television station transmitter that rebroadcasts signals to receivers which can’t properly receive the signals of the transmitter because of a physical obstruction (like a hill). A translator receives the signals of the transmitter and rebroadcast...
• (n.) One who transposes.
a rebroadcast transmitter in which the frequency of the incoming signal is changed before retransmission, without the signal being demodulated