duplexer — English Dictionary

Noun

1. A device that enables communication in two directions over a single path.

   Examples

   At first, making a duplexer seemed impossible, of all the filters in the cell phone, the specifications for the duplexer were by far the most stringent.

   The HE11 mode emits a Gaussian beam into free space as is required for input to the quasi-optical duplexer attached to the antenna.

   More examples (1)

   A drawback in the dual duplexer design is that six channels are lost because three band gaps are required.

2. A accessory of some printers that automatically flips pages to print on both sides.