The D4002HB005080 from Fujian MIcable is a Dual Directional Coupler with Coupling 40 dB, Coupling Variation ±1 dB, Frequency 0.5 to 8 GHz, Peak Power 3000 W, Average Power 120 W. Tags: Module with Connectors. More details for D4002HB005080 can be seen below.