The PTC Series of coax to waveguide adapters cover nine waveguide bands from 8.2 to 70 GHz. These adapters are available with SMA male or female connectors for WR-90, WR-75 and WR-62 Interfaces. For 2.92 mm male/female connectors they are available with WR-43 and WR-28 waveguide interfaces. For 2.4 mm male/female connectors they are available with a WR-22 interface and for V male/female connectors are available with WR-19 and WR-15 interfaces. These adapters have low insertion loss and VSWR and are designed for full waveguide band operation.