Unverified85% confidenceDecision RuleTime unknown
别墅/多单元独立住宅优先选4线制或TCP/IP数字对讲系统,抗干扰强且布线简单;老旧楼改造无法穿管时才用2.4G/5G无线对讲,但金属门和承重墙会导致信号衰减40%以上
1
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85%
Confidence
Long-term
Relevance
-
First Seen
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