HP Agilent X910B 8.2-12.4 GHz, WR-90, Waveguide Fixed Termination. Tested Good!

WAVEGUIDE RIDGID WR-137; WR137, 4 5/8" , Brass / Copper

DeMornay Bonardi WR90 (X-band) waveguide detector (Crystal Mount) DBG-310

DeMornay Bonardi G410 WR90 variable attenuator working Korea era

HP Model H485B H-Band Tunable Detector Mount Waveguide

Microlab / FXR Y205D (WR-62) 12.4 to 18 GHz UG-419/u Tunable Detector Mount

Waveguide Detector WR90 53A Brass/Copper

De Mornay Bonardi G-272 Waveguide 45 Degree WR90