The DC1006004000GH from Sainty-Tech Communications Limited is a Directional Coupler with Frequency 6 to 40 GHz, Coupling 10 dB, Coupling Variation ±0.2 to ±0.5 dB (Accuracy), Frequency Sensitivity ±0.6 to ±0.7 dB, Directivity 11 to 13 dB. Tags: Module with Connectors. More details for DC1006004000GH can be seen below.