The SYBD-20-272HP+ from Mini Circuits is a Bi-Directional Coupler with Frequency 1.75 to 2.7 GHz, Coupling 18.56 to 21.36 dB, Average Power 25 W, Power 0 to 25 W, Insertion Loss 0.09 to 0.12 dB. Tags: Surface Mount. More details for SYBD-20-272HP+ can be seen below.