The DC20-260270SF from Corech Microwave is a Directional Coupler with Frequency 26 to 27 GHz, Coupling 20 dB, Coupling Variation ±0.5 dB (Balance), Directivity 14 dB, Average Power 20 W (CW). Tags: Module with Connectors. More details for DC20-260270SF can be seen below.