The D4012H005080 from Fujian MIcable is a Directional Coupler with Frequency 0.5 to 8 GHz, Coupling 40 dB, Coupling Variation ±0.9 dB, Amplitude Flatness ±1.2 dB, Directivity 14 dB. Tags: Module with Connectors. More details for D4012H005080 can be seen below.