The UIYDCP4315A2T8C30SF from UIY Inc. is a Directional Coupler with Frequency 2 to 8 GHz, Coupling 30 dB, Coupling Variation ±1 dB, Frequency Sensitivity ±0.7 dB, Directivity 18 dB. Tags: Module with Connectors. More details for UIYDCP4315A2T8C30SF can be seen below.