The Pro-series WR-102 FM9857B-20 standard gain horn antenna (also known as waveguide horn) from Fairview Microwave has a nominal gain of 20 dBi. The Fairview Microwave 20 dBi WR-102 horn antenna operates from 7 GHz to 11 GHz. This WR-102 standard gain horn has a square type flange. The WR-102 FM9857B-20 waveguide horn is part of over 40,000 RF, microwave and millimeter wave components available from Fairview Microwave.Waveguide standard gain horn antennas are used in a wide variety of applications due to their high power handling capability, low loss, high directivity, and near constant electrical performance. The Pro-series gain horns are US made and TAA compliant. Fairview Microwave's WR-102 standard gain horns are available in 10, 15 and 20 dBi models with pyramidal shape and rectangular input. Pro-series WR-102 standard gain horn antenna can ship the same day to anywhere in the world.