The DC1030004500GA from Sainty-Tech Communications Limited is a Directional Coupler with Frequency 30 to 45 GHz, Coupling 10 dB, Coupling Variation ±0.8 dB, Frequency Sensitivity ±0.8 dB, Directivity 10 dB. Tags: Module with Connectors. More details for DC1030004500GA can be seen below.