PE9830 WR-137 waveguide to coax adapter is also known as a WR-137 waveguide transition. This waveguide to coax adapter / transition is constructed as a WR-137 to SMA connector and has a female gender. Our WR-137 to SMA female waveguide adapter transition has a right angle design and has a cmr-137 flange. Pasternack right angle WR137 to SMA waveguide to coaxial cable transition / adapter has a minimum frequency of 5.85 GHz and a maximum frequency of 8.2 GHz.