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请问CC2540 画板有参考吗?

Other Parts Discussed in Thread: CC2540

最近,CC2540的距离大概10米左右,放在模具里,距离大概只有5米左右了。

准备把买来的模块(内置PCB天线),换成外置天线,但是市场上的基本上都是PCB天线。

所以,准备自己layout,请问大家有什么参考的吗?