CC2541F256RHAR by TI Design and production,in HongKong RichShine Technology Co., Limited Spot sales,And can pass HongKong RichShine Technology Co., Limited Purchasing。CC2541F256RHAR Price reference $ 2.050000。CC2541F256RHAR - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information CC2541F256RHAR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial