The DC2002005000GH from Sainty-Tech Communications Limited is a Directional Coupler with Frequency 2 to 50 GHz, Coupling 20 dB, Coupling Variation ±0.2 to ±0.5 dB (Accuracy), Frequency Sensitivity ±0.7 to ±1 dB, Directivity 10 to 12 dB. Tags: Module with Connectors. More details for DC2002005000GH can be seen below.