The DC40-008028NFH from Corech Microwave is a Directional Coupler with Frequency 0.8 to 2.8 GHz, Coupling 40 dB, Coupling Variation ±1.5 dB (Balance), Directivity 18 dB, Average Power 150 W (CW). Tags: Module with Connectors. More details for DC40-008028NFH can be seen below.