The D30N240440 from Fujian MIcable is a Directional Coupler with Frequency 24 to 44 GHz, Coupling 30 dB, Coupling Variation ±0.7 dB, Amplitude Flatness ±0.6 dB, Directivity 10 dB. Tags: Module with Connectors. More details for D30N240440 can be seen below.