The DC06-003010SF from Corech Microwave is a Directional Coupler with Frequency 0.38 to 1 GHz, Coupling 6 dB, Coupling Variation ±1 dB (Balance), Directivity 20 dB, Average Power 30 W (CW). Tags: Module with Connectors. More details for DC06-003010SF can be seen below.