The DC40-020180SFH from Corech Microwave is a Directional Coupler with Frequency 2 to 18 GHz, Coupling 40 dB, Coupling Variation ±2 dB (Balance), Directivity 8 dB, Average Power 100 W (CW). Tags: Module with Connectors. More details for DC40-020180SFH can be seen below.