The DB30-020060SF from Corech Microwave is a Dual Directional Coupler with Coupling 30 dB (Nominal), Coupling Variation ±1 dB (Balance), Frequency 2 to 6 GHz, Peak Power 1 kW, Average Power 50 W (CW). Tags: Module with Connectors, 50 W, 30 dB Dual-Directional Coupler from 2 to 6 GHz. More details for DB30-020060SF can be seen below.