The SYBDC-27-82VHP+ from Mini Circuits is a Bi-Directional Coupler with Frequency 30 to 840 MHz, Coupling 23.5 to 26 dB, Coupling Variation ± 0.9 to ± 1 dB, Power 20 to 100 W, Insertion Loss 0.4 to 0.35 dB. Tags: Surface Mount. More details for SYBDC-27-82VHP+ can be seen below.