The DC10-001180SF from Corech Microwave is a Directional Coupler with Frequency 0.1 to 18 GHz, Coupling 10 dB, Coupling Variation ±5 dB (Balance), Directivity 9 to 11 dB, Average Power 50 W (CW). Tags: Module with Connectors. More details for DC10-001180SF can be seen below.