The DC20-011015SF from Corech Microwave is a Directional Coupler with Frequency 1.15 to 1.59 GHz, Coupling 20 dB, Coupling Variation ±1 dB (Balance), Directivity 22 dB, Average Power 50 W (CW). Tags: Module with Connectors. More details for DC20-011015SF can be seen below.