RE: RE: 一个超级简单的见证人监控报警装置
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RE: 一个超级简单的见证人监控报警装置

oflyhigh(86)
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以前用来发短信的设备
可惜后来联通和移动都关闭了2G网，这个SIM900A也就成了电子垃圾了

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