The ZEDC-15-2B from Mini Circuits is a Directional Coupler with Frequency 1 MHz to 1 GHz, Coupling 14.58 to 14.88 dB, Directivity 18.59 to 79.23 dB, Power 1 to 3 W, Average Power 1 to 3 W. Tags: Module with Connectors. More details for ZEDC-15-2B can be seen below.