The ZADC-10-17-S+ from Mini Circuits is a Directional Coupler with Frequency 1000 to 1700 MHz, Coupling 9.8 dB, Coupling Variation ±0.5 dB, Directivity 17 to 25 dB, Average Power 5 W. Tags: Module with Connectors. More details for ZADC-10-17-S+ can be seen below.