Key Specifications, Waveguide Size: WR-90, Gain Min: 10, Flange Size: Square Cover, Frequency, Min: 8.2 GHz, Frequency, Max: 12.4 GHz, Beam Width V: 47.4, Beam Width H: 48.5. WR-90 Standard Gain Horn Antenna Operating From 8.2 GHz to 12.4 GHz With a Nominal 10 dB Gain With Square Cover Flange. PE9856-10 WR-90 standard gain horn antenna is also known as a waveguide horn. This WR-90 standard gain horn antenna has a 10 dB nominal gain and a square cover flange. Our 10 dB WR-90 horn antenna has a minimum frequency of 8.2 GHz and a maximum frequency of 12.4 GHz. WR-90 standard gain horn waveguide antenna PE9856-10 has a vertical beam width of 47.4 and horizontal of 48.5 degrees at 3 dB. This WR-90 standard gain horn antenna with 10 dB is part of over 40,000 RF, microwave and millimeter wave components available from Pasternack. Our WR-90 waveguide horn antenna can ship worldwide the same day as it is purchased as with our other available RF parts.