The DC1601005000GH from Sainty-Tech Communications Limited is a Directional Coupler with Frequency 1 to 50 GHz, Coupling 16 dB, Coupling Variation ±0.4 to ±1 dB(Accuracy), Frequency Sensitivity ±1 to ±1.5 dB, Directivity 10 to 12 dB. Tags: Module with Connectors. More details for DC1601005000GH can be seen below.