CC2640R2FRSMR by TI Design and production,in HongKong RichShine Technology Co., Limited Spot sales,And can pass HongKong RichShine Technology Co., Limited Purchasing。CC2640R2FRSMR Price reference $ 2.340800。CC2640R2FRSMR - 。You can download CC2640R2FRSMR Chinese information、Pin map、DatasheetData sheet function specification,In the information CC2640R2FRSMR Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial