The ZCDC10-V1854+ from Mini Circuits is a Directional Coupler with Frequency 18 to 50 GHz, Coupling 10 dB, Coupling Variation ±1.3 dB, Directivity 10 to 22 dB, Average Power 13 W. Tags: Module with Connectors. More details for ZCDC10-V1854+ can be seen below.