Coaxial Waveguide Adapter, 1.0 mm (m), 75 to 110 GHz
W281D - Keysight Technologies
The Keysight W281D is a 1-mm male to W-band waveguide adapter with a frequency range of 75 GHz to 110 GHz. The Keysight W281D is used with the Keysight 8510XF systems.