Eravant’s SAV-1834031920-KF-S1-QR is a closed boundary, quad-ridged, dual-polarized broadband horn with 2.92 mm connectors that cover 18-40 GHz with 19 dBi gain and 20 dB port isolation. It includes an integrated lens for gain improvement. The lens also acts as a dust cover. https://www.eravant.com/19-dbi-gain-18-to-40-ghz-20-db-isolation-female-2-92-mm-connector-quad-ridged-dual-polarized-horn
