The SYDC-10-52VHP+ from Mini Circuits is a Bi-Directional Coupler with Frequency 30 to 512 MHz, Coupling 9 to 10 dB, Average Power 35 W, Power 0 to 35 W, Insertion Loss 0.62 to 1.12 dB. Tags: Surface Mount. More details for SYDC-10-52VHP+ can be seen below.