The DC10-180500DF from Corech Microwave is a Directional Coupler with Frequency 18 to 50 GHz, Coupling 10 dB, Coupling Variation ±1.5 dB (Balance), Directivity 8 dB, Average Power 20 W (CW). Tags: Module with Connectors. More details for DC10-180500DF can be seen below.