The QRH40 from RF SPIN is a Quad Ridged Horn Antenna that operates from 4 to 40 GHz. This dual linear/circular polarized antenna has a VSWR of less than 2.4:1. It can handle an average input power of 10 W and a peak input power of 20 W. The antenna is available in an extremely durable high-grade aluminum alloy package that measures 53 x 68 x 53 mm with a corrosion-resistant coating. It has a K-type coaxial connector and an adapter with 1/4-inch inner thread for mounting flange with support for standard mounting.