The DC1302005000GH from Sainty-Tech Communications Limited is a Directional Coupler with Frequency 2 to 50 GHz, Coupling 13 dB, Coupling Variation ±0.5 to ±0.8 dB(Accuracy), Frequency Sensitivity ±0.8 to ±1 dB, Directivity 10 to 12 dB. Tags: Module with Connectors. More details for DC1302005000GH can be seen below.