US Patent 11031692 System including antenna and ultra-wideband ortho-mode transducer with ridge

A system including an antenna and an ultra-wideband Ortho-Mode Transducer with ridges is provided. The ultra-wideband Ortho-Mode Transducer includes at least at least an ultra-wideband Ortho-Mode Transducer and a radiation antenna, wherein the ultra-wideband Ortho-Mode Transducer comprises a first channel inside, the radiation antenna comprises a second channel inside, a common port of the first channel is connected to a first antenna port of the second channel, a plurality of ridges with a square cross section are arranged in the first channel, and the plurality of ridges arranged in the first channel bulge into the first channel.