The DC30-180265SF from Corech Microwave is a Directional Coupler with Frequency 18 to 26.5 GHz, Coupling 30 dB, Coupling Variation ±1 dB (Balance), Directivity 14 dB, Average Power 20 W (CW). Tags: Module with Connectors. More details for DC30-180265SF can be seen below.