The D13N010400 from Fujian MIcable is a Directional Coupler with Frequency 1 to 40 GHz, Coupling 13 dB, Coupling Variation ±0.8 dB, Amplitude Flatness ±1 dB, Directivity 10 to 14 dB. Tags: Module with Connectors. More details for D13N010400 can be seen below.