The DC10-026052SF from Corech Microwave is a Directional Coupler with Frequency 2.6 to 5.2 GHz, Coupling 10 dB, Coupling Variation ±1 dB (Balance), Directivity 20 dB, Average Power 50 W (CW). Tags: Module with Connectors. More details for DC10-026052SF can be seen below.