The D4008H020080 from Fujian MIcable is a Directional Coupler with Frequency 2 to 8 GHz, Coupling 40 dB, Coupling Variation ±0.8 dB, Amplitude Flatness ±0.7 dB, Directivity 14 dB. Tags: Module with Connectors. More details for D4008H020080 can be seen below.