Agilent 08485-60005 3.5mm (f) to N (m) Precision Calibration Adapter
Agilent 11517A Mixer + 11520A Adapter 2" Taper Section, 26.5 to 40 GHz
Agilent 11519A Waveguide Adapter
Agilent HP 11970K Waveguide Harmonic Mixer, 18 - 26.5 GHz