The SYBD-23-13HP+ from Mini Circuits is a Bi-Directional Coupler with Frequency 800 MHz to 1 GHz, Coupling 22.89 to 24.77 dB, Average Power 100 W, Power 0 to 100 W, Insertion Loss 0.03 to 0.05 dB. Tags: Surface Mount. More details for SYBD-23-13HP+ can be seen below.