The SYDC-20-13HP+ from Mini Circuits is a Bi-Directional Coupler with Frequency 40 MHz to 1 GHz, Coupling 19.30 to 20.83 dB, Average Power 10 W, Power 0 to 10 W, Insertion Loss 0.10 to 0.66 dB. Tags: Surface Mount. More details for SYDC-20-13HP+ can be seen below.