281Ku-13.7/.660/419
281 Series Orthomode Transducer Frequency Range: 12 to 18 GHz Center Frequency: TBD (Specified by Customer) Bandwidth: 2 GHz Isolation: 35 dB (Typ) between H and V Ports Antenna Port Options (".XXX" In part ID): 1. (12.4-14.6 GHz) 0.660" ID Circular Waveguide with UG-419 Flanges 2. (14.6 - 17.5 GHz) 0.550" ID Circular Waveguide with UG-419 Flanges H and V Ports: WR-62 Waveguides with UG-419/U Flanges