The DC1601002650GH from Sainty-Tech Communications Limited is a Directional Coupler with Frequency 1 to 26.5 GHz, Coupling 16 dB, Coupling Variation ±0.2 to ±0.5 dB (Accuracy), Frequency Sensitivity ±0.7 to ±1.0 dB, Directivity 13 dB. Tags: Module with Connectors. More details for DC1601002650GH can be seen below.