The DC20-022023NF from Corech Microwave is a Directional Coupler with Frequency 2.2 to 2.3 GHz, Coupling 20 dB, Coupling Variation ±1 dB (Balance), Directivity 22 dB, Average Power 50 W (CW). Tags: Module with Connectors. More details for DC20-022023NF can be seen below.