The ZFDC-15-6+ from Mini Circuits is a Directional Coupler with Frequency 0.03 to 35 MHz, Coupling 14.96 to 15.35 dB, Directivity 26.1 to 56.83 dB, Power 2 to 4 W, Average Power 2 to 4 W. Tags: Module with Connectors. More details for ZFDC-15-6+ can be seen below.