The SYBDC-20-61WHP+ from Mini Circuits is a Bi-Directional Coupler with Frequency 0.2 to 60 MHz, Coupling 19.5 to 21.5 dB, Power 80 W, Insertion Loss 0.08 to 0.3 dB, Directivity 15 to 25 dB. Tags: Surface Mount. More details for SYBDC-20-61WHP+ can be seen below.