The ZADC-10-17W-S+ from Mini Circuits is a Directional Coupler with Frequency 800 to 1900 MHz, Coupling 10.2 dB, Coupling Variation ±1.0 dB, Directivity 14 to 24 dB, Average Power 5 W. Tags: Module with Connectors. More details for ZADC-10-17W-S+ can be seen below.