门禁系统，是怎么回事？一文读懂智能门禁系统

2026-02-26 网络整理佚名650

Key Point:有一天从公司出门，突然对遥控门禁起了好奇：为什么按一下物理遥控器，可以控制打开玻璃门呢？这里面也许有个基本原理：按下遥控器的按钮时，内置电池电能转为发出无线电信号

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