The D4002H004060 from Fujian MIcable is a Directional Coupler with Frequency 0.4 to 6 GHz, Coupling 40 dB, Coupling Variation ±1 dB, Amplitude Flatness ±0.8 dB, Directivity 18 dB. Tags: Module with Connectors. More details for D4002H004060 can be seen below.