Noun
English Wikipedia has an article on:Orthomode transducerWikipedia
orthomode (uncountable)
(physics, attributive) describing a transducer that use two orthogonally polarized microwave beams
Circulator main Orthomode transducer main Frequency domain In radio communications (as opposed to radar), the transmitted and received signals can occupy different frequency bands, and so may be separated by frequency-selective filters. Source: Internet