The VT740WECA1.0 from Vector Telecom is a Waveguide to Coaxial Adapter with a WR12 waveguide interface and a1mm connector interface. It operates from 60 to 90 GHz with an insertion loss of less than 0.5 dB and has a VSWR of up to 1.5:1. The adapter is manufactured using Aluminum, Copper with a Gold-plated finish and measures 10 x 19.1 x 19.1 mm.