Unverified90% confidenceDecision RuleTime unknown
报警主机应支持双联网（4G+Wi-Fi/有线）双通道备份，仅Wi-Fi的主机在剪断网线或断电断网攻击下会失效，安防级别大幅下降
1
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90%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified报警套装的联网方式应选择「WiFi+4G双备份」机型，纯WiFi机型在断网或断电剪线后完全失效，无法防范专业入室盗窃91% similarUnverified无线报警套装优先选支持WiFi+4G双备份联网的型号，仅WiFi的在断网或被剪网线时会失效，安防价值大打折扣，4G备份卡是防拆防断网的核心保障89% similarUnverified主机需支持双路以上通信备份（如以太网+4G），当宽带被剪断或断电时可自动切换4G上报，纯WiFi单通信主机不适合安防用途87% similarUnverified无线报警主机应优先选支持双联网（WiFi+4G备份）机型：断网或断电时4G卡自动切换上报，纯WiFi机型被剪网线或路由断电后彻底失联87% similarUnverified随身WiFi优先选择支持三网切换（移动/联通/电信）的机型，单网设备在信号弱区域无法切换，实际可用性大幅下降84% similar
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