The DC20-100150SF from Corech Microwave is a Directional Coupler with Frequency 10 to 15 GHz, Coupling 20 dB, Coupling Variation ±1 dB (Balance), Directivity 15 to 17 dB, Average Power 50 W (CW). Tags: Module with Connectors. More details for DC20-100150SF can be seen below.