The ZCDC10-V18443+ from Mini Circuits is a Directional Coupler with Frequency 18 to 44 GHz, Coupling 8.8 to 11.2 dB, Directivity 10 to 24.8 dB, Power 16 W, Average Power 16 W. Tags: Module with Connectors. More details for ZCDC10-V18443+ can be seen below.