The ZADC-40-27HP+ from Mini Circuits is a Directional Coupler with Frequency 1.4 to 2.7 GHz, Coupling 40 to 41 dB, Directivity 15 to 25 dB, Power 40 W, Average Power 40 W. Tags: Module with Connectors. More details for ZADC-40-27HP+ can be seen below.