The SYBD-28-62HP+ from Mini Circuits is a Bi-Directional Coupler with Frequency 400 to 610 MHz, Coupling 27.06 to 30.71 dB, Average Power 100 W, Power 0 to 100 W, Insertion Loss 0.01 to 0.03 dB. Tags: Surface Mount. More details for SYBD-28-62HP+ can be seen below.