The D30N060180 from Fujian MIcable is a Directional Coupler with Frequency 6 to 18 GHz, Coupling 30 dB, Coupling Variation ±0.5 dB, Amplitude Flatness ±0.5 dB, Directivity 15 dB. Tags: Module with Connectors. More details for D30N060180 can be seen below.