The D3002HB007180 from Fujian MIcable is a Dual Directional Coupler with Coupling 30 dB, Coupling Variation ±1.2 dB, Frequency 0.7 to 18 GHz, Peak Power 3000 W, Average Power 120 W. Tags: Module with Connectors. More details for D3002HB007180 can be seen below.