The D3012HB004060 from Fujian MIcable is a Dual Directional Coupler with Coupling 30 dB, Coupling Variation ±0.8 dB, Frequency 0.4 to 6 GHz, Peak Power 3000 W, Average Power 600 W. Tags: Module with Connectors. More details for D3012HB004060 can be seen below.