The PDC-15-6-75 from Mini Circuits is a Directional Coupler with Frequency 0.02 to 35 MHz, Coupling 14.38 to 14.80 dB, Directivity 28.7 to 56.06 dB, Power 1.5 to 4 W, Average Power 1.5 to 4 W. Tags: Surface Mount. More details for PDC-15-6-75 can be seen below.