duplexer

[ doo-plek-ser, dyoo- ]
/ ˈdu plɛk sər, ˈdyu- /

noun Electronics.

an automatic electronic switching device that permits the use of the same antenna for transmitting and receiving.

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Origin of duplexer

First recorded in1950–55; duplex + -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020