The DC1301002650GH from Sainty-Tech Communications Limited is a Directional Coupler with Frequency 1 to 26.5 GHz, Coupling 13 dB, Coupling Variation ±0.3 to ±0.7 dB (Accuracy), Frequency Sensitivity ±0.8 to ±1.0 dB, Directivity 13 to 14 dB. Tags: Module with Connectors. More details for DC1301002650GH can be seen below.