The ZDC8-30W32.9-50G-2389 from COM-MW is a Waveguide Coupler with Frequency 32.9 to 50 GHz, Coupling 28.5 to 31.5 dB, Directivity 18 dB, Insertion Loss 0.5 dB, Power 70 W. Tags: Crossguide Coupler. More details for ZDC8-30W32.9-50G-2389 can be seen below.