The DC3006005000GH from Sainty-Tech Communications Limited is a Directional Coupler with Frequency 6 to 50 GHz, Coupling 30 dB, Coupling Variation ±0.5 to 1 dB(Accuracy), Frequency Sensitivity ±0.6 to ±0.1 dB, Directivity 10 to 12 dB. Tags: Module with Connectors. More details for DC3006005000GH can be seen below.