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duplexer

[doo-plek-ser, dyoo-] /ˈdu plɛk sər, ˈdyu-/
noun, Electronics.
1.
an automatic electronic switching device that permits the use of the same antenna for transmitting and receiving.
Origin
1950-1955
1950-55; duplex + -er1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for duplexer
  • Cavity filters are the primary component in a duplexer.
  • The repeater shall include an internal duplexer to permit the use of a single antenna.

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