The D30N265400 from Fujian MIcable is a Directional Coupler with Frequency 26.5 to 40 GHz, Coupling 30 dB, Coupling Variation ±0.6 dB, Amplitude Flatness ±0.6 dB, Directivity 10 dB. Tags: Module with Connectors. More details for D30N265400 can be seen below.