为什么我的cc2530 zigbee模块不加PA,也就一米的传输距离,超过就收不到信号,加了PA,也就能传4m左右,这大概是哪里的问题啊,怎么会差那么多
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为什么我的cc2530 zigbee模块不加PA,也就一米的传输距离,超过就收不到信号,加了PA,也就能传4m左右,这大概是哪里的问题啊,怎么会差那么多