The SYDC-20-61HP+ from Mini Circuits is a Bi-Directional Coupler with Frequency 1.50 to 60 MHz, Coupling 19.94 to 20.12 dB, Average Power 15 W, Power 0 to 15 W, Insertion Loss 0.08 to 0.12 dB. Tags: Surface Mount. More details for SYDC-20-61HP+ can be seen below.