The DC2001004000GC from Sainty-Tech Communications Limited is a Directional Coupler with Frequency 1 to 40 GHz, Coupling 20 dB, Coupling Variation ±0.7 dB, Frequency Sensitivity ±1 dB, Directivity 10 dB. Tags: Module with Connectors. More details for DC2001004000GC can be seen below.