The ZCDC10-K0244+ from Mini Circuits is a Directional Coupler with Frequency 2 to 40 GHz, Coupling 10 dB, Coupling Variation ±1.4 dB, Directivity 10 to 27 dB, Average Power 15 W. Tags: Module with Connectors. More details for ZCDC10-K0244+ can be seen below.