The D4008H004060 from Fujian MIcable is a Directional Coupler with Frequency 0.4 to 6 GHz, Coupling 40 dB, Coupling Variation ±0.9 dB, Amplitude Flatness ±1.3 dB, Directivity 15 dB. Tags: Module with Connectors. More details for D4008H004060 can be seen below.