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蓝牙 4.1

Other Parts Discussed in Thread: CC2541, CC2540

听说蓝牙4.1标准在去年就发布了, 目前2014.07.18已经有厂家做出4.1的芯片并且量产了。

那么:

1、TI 有蓝牙4.1的芯片没有?什么时候出?

2、是单模还是双模?

3、是否兼容BLE(目前的4.0)?