diplexer
/ˈdaɪplɛksər/
noun
- A device that allows two different signals to share a single antenna or transmission line without interfering with each other.
- A diplexer is essential for combining satellite and terrestrial signals in one cable.
- Without a diplexer, the two transmitters would interfere with each other.
- The technician installed a diplexer so the TV and radio could use the same antenna.