The ZCDC10-K0144+ from Mini Circuits is a Directional Coupler with Frequency 1 to 40 GHz, Coupling 10 dB, Coupling Variation ±1.5 dB, Directivity 10.0 to 29.0 dB, Average Power 19 W. Tags: Module with Connectors. More details for ZCDC10-K0144+ can be seen below.