The DRH1840-22 from RF SPIN is a Double Ridged Horn Antenna that operates from 18 to 40 GHz.  It delivers a gain of 20-23 dBi and has an antenna factor of 34-40 dB/m with a VSWR of less than 1.6:1. This linearly polarized antenna can be calibrated individually and has a low return loss. It has a precisely engineered inner structure that ensures a consistently flat gain across its operating spectrum. This antenna has a WRD180 waveguide and is compatible with the ADRWC180EF waveguide-to-coax adapter for flexible integration across a wide range of applications. It has an extremely durable antenna horn that measures 80 x 158 x 54.2 mm and has a corrosion-resistant coating.