The SDC-C2A from Synergy Microwave Corporation is a Directional Coupler with Frequency 30 to 512 MHz, Coupling 6.3 dB, Coupling Variation ±0.5 dB (Flatness), Directivity 18 to 25 dB, Average Power 2 W. Tags: Surface Mount. More details for SDC-C2A can be seen below.