The ZCDC20-V2654+ from Mini Circuits is a Directional Coupler with Frequency 26 to 50 GHz, Coupling 18.8 to 21.2 dB, Directivity 8 to 21.3 dB, Average Power 16 W, Insertion Loss 0.7 to 1.5 dB. Tags: Module with Connectors. More details for ZCDC20-V2654+ can be seen below.