The ZEDC-10-2B from Mini Circuits is a Directional Coupler with Frequency 1 MHz to 1 GHz, Coupling 10.62 to 11.32 dB, Directivity 26.81 to 80.15 dB, Power 1.5 to 3, Average Power 1.5 to 3. Tags: Module with Connectors. More details for ZEDC-10-2B can be seen below.