The D3005HB003080 from Fujian MIcable is a Dual Directional Coupler with Coupling 30 dB, Coupling Variation ±1 dB, Frequency 0.3 to 8 GHz, Peak Power 3000 W, Average Power 250 W. Tags: Module with Connectors. More details for D3005HB003080 can be seen below.