The DC30-070075SFC from Corech Microwave is a Dual Directional Coupler with Coupling 30 dB (Nominal), Coupling Variation ±1 dB (Balance), Frequency 7 to 7.5 GHz, Average Power 50 W (CW), Insertion Loss 0.60 dB. Tags: Module with Connectors, 50 W, 30 dB Dual-Directional Coupler from 7 to 7.5 GHz. More details for DC30-070075SFC can be seen below.