The DC13-125440DF from Corech Microwave is a Directional Coupler with Frequency 12.5 to 44 GHz, Coupling 13 dB, Coupling Variation ±1 dB (Balance), Directivity 10 dB, Average Power 30 W (CW). Tags: Module with Connectors. More details for DC13-125440DF can be seen below.