With the rapid development of electronic information industry and aerospace industry,satellite navigation industry has become a new research hotspot in electronic information industry after mobile communication and Internet,and the BeiDou satellite navigation system has gradually maturing.The research and design of RF front-end for BeiDou satellite navigation receiver is a valuable and practical work.This paper mainly focuses on the research and design of BeiDou dual-mode RF front-end,conducts technical analysis of the dual-mode RF front-end,and designs a power amplifier,finally,through simulation research the results show that the design of the RF front-end fully meets the requirements and has good performance.