The D30N010500 from Fujian MIcable is a Directional Coupler with Frequency 1 to 50 GHz, Coupling 30 dB, Coupling Variation ±1.1 dB, Amplitude Flatness ±1.2 dB, Directivity 8 to 14 dB. Tags: Module with Connectors. More details for D30N010500 can be seen below.