The DC2012001800GA from Sainty-Tech Communications Limited is a Directional Coupler with Frequency 12 to 18 GHz, Coupling 20 dB, Coupling Variation ±1 dB, Frequency Sensitivity ±1 dB, Directivity 15 to 20 dB. Tags: Module with Connectors. More details for DC2012001800GA can be seen below.