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为什么支持蓝牙4.0的手机(如三星S3)无法扫描到cc2540

Other Parts Discussed in Thread: CC2540

如题,下载SimpleBLEPeripheral项目hex文件到板子,按键广播键,然后用三星S3搜索蓝牙设备,无法搜到CC2540,而用另外一块板子下载HostTestApp项目的hex用BTOOL工具能够搜索到CC2540.请问这是什么原因|?