The DC20-010670EF from Corech Microwave is a Directional Coupler with Frequency 1 to 67 GHz, Coupling 20 dB, Coupling Variation ±3.5 dB (Balance), Directivity 8 dB, Average Power 20 W (CW). Tags: Module with Connectors. More details for DC20-010670EF can be seen below.