Unverified85% confidenceCautionTime unknown
纯WiFi报警主机不建议用于长期无人的房屋（如出租屋、别墅、店铺夜间），断电断网即失防，此类场景应选GSM/4G+电池方案
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified不建议在无稳定WiFi或市电频繁停电的农村/老旧房屋选纯WiFi主机，断网即失联；此类环境应选4G版本且带停电后备电池（续航≥8小时）的机型86% similarUnverified老人独居场景不建议只买WiFi联动型报警器，子女不在服务区或断网时无人响应，应选带本地高分贝+一键SOS拨打预设电话（4G/GSM）的机型83% similarUnverified纯WiFi门磁不建议依赖其在断网/断电时报警：家庭路由器断电后门磁失联，专业防盗应选带本地网关+断网本地报警+备用电池的方案82% similarUnverified无独立联网能力的纯本地声光报警器（仅120dB蜂鸣）适合震慑但无法远程通知，独居或长期外出者应选带4G或WiFi推送功能的型号，断电断网仍能报警需内置备用电池+4G双通道81% similarUnverified无稳定WiFi或经常停电的场所不建议买WiFi联网震动报警器，断网/断电即完全失防，应选带本地声光报警+备用电池的独立机型80% similar
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