The ZADC-10-63-S+ from Mini Circuits is a Directional Coupler with Frequency 2500 to 6000 MHz, Coupling 9.3 to 14.5 dB, Directivity 10 to 23 dB, Average Power 4 W, Insertion Loss 0.2 to 1.2 dB. Tags: Module with Connectors. More details for ZADC-10-63-S+ can be seen below.