The SCL-1D-BD from Synergy Microwave Corporation is a Bi-Directional Coupler with Frequency 2 to 300 MHz, Coupling 19.8 dB, Coupling Variation ±0.9 dB (Flatness), Power 1 W, Insertion Loss 0.25 to 0.5 dB. Tags: Surface Mount. More details for SCL-1D-BD can be seen below.