WR28 3-Port (terminated) Crossguide Coupler, 20 dB, 1 inch thru-line insertion length, cover/grooved flanges on thru-line, grooved flange on coupled port

WR28 3-Port (terminated) Crossguide Coupler, 20 dB, 1 inch thru-line insertion length, cover/grooved flanges on thru-line, grooved flange on coupled port