The DC2027003100GA from Sainty-Tech Communications Limited is a Directional Coupler with Frequency 27 to 31 GHz, Coupling 20 dB, Coupling Variation ±1 dB, Frequency Sensitivity ±0.6 dB, Directivity 11 dB. Tags: Module with Connectors. More details for DC2027003100GA can be seen below.