The DC20-260400KF from Corech Microwave is a Directional Coupler with Frequency 26 to 40 GHz, Coupling 20 dB, Coupling Variation ±1 dB (Balance), Directivity 12 dB, Average Power 30 W (CW). Tags: Module with Connectors. More details for DC20-260400KF can be seen below.