The DC3002001800GN from Sainty-Tech Communications Limited is a Directional Coupler with Frequency 2 to 18 GHz, Coupling 30 dB, Coupling Variation ±1 dB, Frequency Sensitivity ±1 dB, Directivity 12 dB. Tags: Module with Connectors. More details for DC3002001800GN can be seen below.