[KongchangAI]
Unverified83% confidenceSolutionTime unknown

机构批量寻人场景的标准方案:NB-IoT徽章(区域定位+越界告警)+ 场所内布置蓝牙信标(房间级精度)+ 后台电子围栏管理平台,NB负责广域兜底、蓝牙负责室内精度

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83%
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Long-term
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