The ZCDC10-02263S+ from Mini Circuits is a Directional Coupler with Frequency 2 to 26.5 GHz, Coupling 10 dB, Coupling Variation ±1.2 dB, Directivity 13 to 30 dB, Average Power 20 W. Tags: Module with Connectors. More details for ZCDC10-02263S+ can be seen below.