The SYBDC-26-52VHP+ from Mini Circuits is a Bi-Directional Coupler with Frequency 30 to 540 MHz, Coupling 26 dB, Coupling Variation ± 1.0 dB, Power 50 W, Insertion Loss 0.12 to 0.45 dB. Tags: Surface Mount. More details for SYBDC-26-52VHP+ can be seen below.