The DC3006001800GA from Sainty-Tech Communications Limited is a Directional Coupler with Frequency 6 to 18 GHz, Coupling 30 dB, Coupling Variation ±1 dB, Frequency Sensitivity ±0.5 to ±0.7 dB, Directivity 12 dB. Tags: Module with Connectors. More details for DC3006001800GA can be seen below.