The DC20-255270SFM from Corech Microwave is a Directional Coupler with Frequency 25.5 to 27 GHz, Coupling 20 dB, Coupling Variation ±0.7 dB (Balance), Directivity 15 dB, Average Power 20 W (CW). Tags: Module with Connectors. More details for DC20-255270SFM can be seen below.