Key Specifications, Waveguide Size: WR-15, Flange Size: UG-385/U, Direction Type: Directional, Frequency, Min: 50 GHz, Frequency, Max: 75 GHz, Beam Width, 3dB V: 20. WR-15 Waveguide Horn Antenna Operating From 50 GHz to 75 GHz With a Nominal 20 dBi Gain With UG-385/U Flange. PE9881-20 WR-15 waveguide horn antenna is also known as a WR-15 horn antenna. This WR-15 waveguide horn antenna has a dB nominal gain and a ug-385/u flange. Our dB WR-15 horn antenna has a minimum frequency of 50 GHz and a maximum frequency of 75 GHz. WR-15 horn antenna PE9881-20 has a vertical beam width of 20 and horizontal of degrees at 3 dB. This WR-15 waveguide horn antenna with dB is part of over 40,000 RF, microwave and millimeter wave components available from Pasternack. Our WR-15 horn antenna can ship worldwide the same day as it is purchased as with our other available RF parts.