The DC1004000800GB from Sainty-Tech Communications Limited is a Directional Coupler with Frequency 4 to 8 GHz, Coupling 10 dB, Coupling Variation ±1.25 dB, Frequency Sensitivity ±0.75 dB, Directivity 20 dB. Tags: Module with Connectors. More details for DC1004000800GB can be seen below.