The DC1601001800GN from Sainty-Tech Communications Limited is a Directional Coupler with Frequency 1 to 18 GHz, Coupling 16 dB, Coupling Variation ±1 dB, Frequency Sensitivity ±1 dB, Directivity 15 dB. Tags: Module with Connectors. More details for DC1601001800GN can be seen below.