Unverified90% confidenceDecision RuleTime unknown
选择支持双通道报警的主机（网络+4G备份），当宽带被剪断或断电时仍能通过4G上报警情，是防入侵的核心可靠性指标
1
Sources
90%
Confidence
Long-term
Relevance
-
First Seen
Sources
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