Sivers lab waveguide switches
A WG14 (WR137) Siverslab 4-port waveguide switch
there are several versions.
All documents are in PDF format
I have schematics of the 5 pin connector version 325Kb and the 6 pin connector version 1.6Mb
General operation and maintenance instructions here 1.6Mb
I have a simple exploded mechanical drawing also, please e-mail me if you need more info.
Please note that these are scans of very old photocopies, they are usable, but I have had to scan at high resoloution to keep them legible