The D3008H020180 from Fujian MIcable is a Directional Coupler with Frequency 2 to 18 GHz, Coupling 30 dB, Coupling Variation ±0.8 dB, Amplitude Flatness ±0.8 dB, Directivity 10 to 12 dB. Tags: Module with Connectors. More details for D3008H020180 can be seen below.