Omni Spectra 2000-6256-00 18-26.5GHz WR42 WG20 Waveguide to Coax adapter

HP Agilent Keysight 11970K Waveguide Harmonic Mixer, 18 to 26.5 GHz

Keysight K752D Waveguide Coupler, 18 to 26.5 GHz, 20 dB H45

HP11519A 18-26.5GHz Waveguide Adapter

HP Agilent Keysight 5061-5311 DC to 26.5 GHz 50 Ohm 3.5 mm (F-F) Adapter Tested!

WAVEGUIDE WR42 to ROUND WAVEGUIDE HORN ANTENNA 18 TO 26.5 GHz #3781

Hewlett Packard Taper Waveguide HP Mixer Adapter, 11517A 11518A, 11519A, 11520A

Keysight 1250-1749 Adapter APC 3.5 (F) - APC-3.5 (F), DC to 26.5 Ghz