The AT-WC-0608M-E1 from AT Microwave is a Waveguide-to-Coaxial Adapter that operates from 110 to 145 GHz. It has a WR-06 waveguide interface with a UG-387/U-M flange and a 0.8 mm (male) coaxial connector interface. This end-launch adapter has an insertion loss of less than 2.5 dB and a return loss of 10 dB. The AT-WC-0608M-E1 is ideal for accurate system measurements, general lab tests, system setups, and 5G/6G applications. It can also operate up to 170 GHz with some degradation in performance.