The DC5001000200GA from Sainty-Tech Communications Limited is a Directional Coupler with Frequency 1 to 2 GHz, Coupling 50 dB, Coupling Variation ±1 dB, Frequency Sensitivity ±0.5 dB, Directivity 12 to 15 dB. Tags: Module with Connectors. More details for DC5001000200GA can be seen below.