The QDDBC-32900-50100 from Qualwave is a Waveguide Coupler with Frequency 32.9 to 50.1 GHz, Coupling 30 to 40 dB, Directivity 27 dB, Power 23000 W. Tags: Dual Directional Coupler, Broadwall Coupler. More details for QDDBC-32900-50100 can be seen below.