The D30N180670 from Fujian MIcable is a Directional Coupler with Frequency 18 to 67 GHz, Coupling 30 dB, Coupling Variation ±1.1 dB, Amplitude Flatness ±1.2 dB, Directivity 7 to 10 dB. Tags: Module with Connectors. More details for D30N180670 can be seen below.