duplexer
noun
du·plex·er
ˈdü-ˌplek-sər 
also ˈdyü-
: a switching device that permits alternate transmission and reception with the same radio antenna
Examples of duplexer in a Sentence
Recent Examples on the Web
Because these off-chip duplexer filters cannot be tuned, today’s smartphones use a separate duplexer filter to support each of the FDD bands—and 4G LTE supports 25 bands, therefore requiring 25 separate duplexer filters!
—
Harish Krishnaswamy, IEEE Spectrum, 28 June 2016
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Harish Krishnaswamy, IEEE Spectrum, 28 June 2016
Cite this Entry
“Duplexer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/duplexer. Accessed 30 Jun. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share