The D20N400670 from Fujian MIcable is a Directional Coupler with Frequency 40 to 67 GHz, Coupling 20 dB, Coupling Variation ±1 dB, Amplitude Flatness ±1 dB, Directivity 7 to 8 dB. Tags: Module with Connectors. More details for D20N400670 can be seen below.