An orthomode transducer is a bake aqueduct basic of the chic of bake circulators. It is frequently referred to as an OMT, and frequently referred as a polarisation duplexer. Such adevice may be allotment of a VSAT antenna feed. Orthomode transducers serve either to amalgamate or to abstracted two bake arresting paths. One of the paths forms the uplink, which is transmitted over the aforementioned waveguide as the accustomed arresting path, or downlink path. For VSAT modems the manual and accession paths are at 90° to anniversary other, or in added words, the signals are orthogonally polarised with account to anniversary other. This erect about-face amid the two arresting paths provides about an abreast of 40dB in the Ku bandage and Ka bandage radio abundance bands.
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