The D06N003180 from Fujian MIcable is a Directional Coupler with Frequency 0.3 to 18 GHz, Coupling 6 dB, Coupling Variation ±0.8 dB, Amplitude Flatness ±1.1 dB, Directivity 13 to 15 dB. Tags: Module with Connectors. More details for D06N003180 can be seen below.