Key Specifications, Waveguide Size: WR-187, Gain Min: 10, Beam Width, 3dB V: 54.1, Beam Width, 3dB H: 55, Frequency, Min: 3.95 GHz, Frequency, Max: 5.85 GHz. WR-187 Standard Gain Horn Antenna Operating From 3.95 GHz to 5.85 GHz With a Nominal 10 dB Gain SMA Female Input Connector. PE9861/SF-10 standard gain horn antenna (also known as a waveguide horn antenna) is part of our huge selection of waveguide antennas. Pasternack standard gain horn antenna is manufactured with a WR-187 input and a waveguide to coaxial transition adapter. Our WR-187 standard gain horn antenna has a waveguide to coax adapter transition with a SMA connector input that is female gender. WR-187 standard gain horn waveguide antenna with SMA input has a minimum frequency of 3.95 GHz and a maximum frequency of 5.85 GHz. Pasternack PE9861/SF-10 WR-187 waveguide horn standard gain antenna is rated at a nominal 10 dB gain. Our 10 dB standard gain horn WR-187 waveguide antenna with SMA adapter has a vertical beam width of 54.1 and horizontal of 55 degrees at 3 dB. Pasternack is where to buy a WR-187 standard waveguide gain horn antenna with WR-187 input. This gain horn antenna is just one part of over 40,000 RF, microwave and millimeter wave guide components available and in-stock at our Irvine, CA United States warehouse. Our WR-187 standard waveguide horn antenna with SMA female interface can ship worldwide the same day that it is purchased as with our other available RF parts.