PE9826 WR-28 waveguide to coax adapter is also known as a WR-28 waveguide transition. This waveguide to coax adapter / transition is constructed as a WR-28 to 2.92mm connector and has a female gender. Our WR-28 to 2.92mm female waveguide adapter transition has a right angle design and has a square cover flange. Pasternack right angle WR28 to 2.92mm waveguide to coaxial cable transition / adapter has a minimum frequency of 26.5 GHz and a maximum frequency of 40 GHz.