The PDC-10-1BD+ from Mini Circuits is a Bi-Directional Coupler with Frequency 1 to 400 MHz, Coupling 11.45 to 12.27 dB, Average Power 2 to 4 W, Power 2 to 4 W, Insertion Loss 0.57 to 1.12 dB. Tags: Surface Mount. More details for PDC-10-1BD+ can be seen below.