The DC20-010020SFC from Corech Microwave is a Directional Coupler with Frequency 1 to 2 GHz, Coupling 20 dB, Coupling Variation ±1.25 dB (Balance), Directivity 25 dB, Average Power 50 W (CW). Tags: Module with Connectors. More details for DC20-010020SFC can be seen below.