The QSDCC-17600-26700 from Qualwave is a Waveguide Coupler with Frequency 17.6 to 26.7 GHz, Coupling 30 to 40 dB, Directivity 15 to 20 dB, Power 66000 W. Tags: Crossguide Coupler, Directional Coupler. More details for QSDCC-17600-26700 can be seen below.