The SCS100800-20 from Synergy Microwave Corporation is a Bi-Directional Coupler with Frequency 1 to 7.8 GHz, Coupling 20.5 dB, Coupling Variation ±2 dB (Flatness), Power 25 W, Insertion Loss 0.4 to 0.75 dB. Tags: Surface Mount. More details for SCS100800-20 can be seen below.