The SYBD-20-142HP+ from Mini Circuits is a Bi-Directional Coupler with Frequency 960 MHz to 1.4 GHz, Coupling 20.22 to 22.93 dB, Average Power 50 W, Power 0 to 50 W, Insertion Loss 0.04 to 0.09 dB. Tags: Surface Mount. More details for SYBD-20-142HP+ can be seen below.