Circular Horns have a broad variety of applications in the aerospace industry and CMi is proud to provide these antennas of the highest quality. Each horn is precisely electroformed over a mandrel and gold plated. These horns have maximal return loss and gain ranging from 20 to 23 dB. Horns with different gain values can be special ordered. Circular Horns are available with input diameter 0.039 inch to 0.455 inch.