The ZADC-30-10+ from Mini Circuits is a Directional Coupler with Frequency 800 MHz to 1 GHz, Coupling 29.68 to 31.28 dB, Directivity 17.88 to 22.35 dB, Power 5 W, Average Power 5 W. Tags: Module with Connectors. More details for ZADC-30-10+ can be seen below.