The SYBDC-15-13HP+ from Mini Circuits is a Bi-Directional Coupler with Frequency 100 to 1000 MHz, Coupling 15.8 dB, Coupling Variation ± 1.0 dB, Power 10 W, Insertion Loss 0.65 to 1.1 dB. Tags: Surface Mount. More details for SYBDC-15-13HP+ can be seen below.