The SAY-4335035104-188-S1 is a Cassegrain antenna that operates from 43 to 50 GHz in the U-Band. It delivers a gain of up to 51 dBi and a half power beamwidth of 0.4 degrees across the band. This antenna has a 48-inch fiberglass main reflector and a corrugated horn, that is covered with an all-weather radome. The RF port is a 0.188” diameter circular waveguide with a UG-383/U-M grooved flange so that the antenna is designed and fabricated watertight for outdoor applications. The antenna can support both linear and circular polarized waveforms. It is ideal for 5G systems, EW systems, radar systems and communication systems.