The ZFBDC20-970HP from Mini Circuits is a Bi-Directional Coupler with Frequency 860 to 970 MHz, Coupling 20.62 to 21.06 dB, Average Power 10 W, Power 0 to 10 W, Insertion Loss 0.07 to 0.19 dB. Tags: Module with Connectors. More details for ZFBDC20-970HP can be seen below.