Unverified85% confidenceDecision RuleTime unknown
全屋覆盖（卫生间+卧室+客厅）建议选无线433MHz或Zigbee组网主机+多个分机按钮，无线信号穿墙2-3堵后衰减明显，主机到最远分机直线距离建议控制在30米内并现场实测触发
1
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85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified无线安装免布线但依赖电池且信号受墙体衰减，别墅或多层大户型主机与探测器距离远时应选支持子设备中继或Zigbee Mesh组网的系统，纯433MHz点对点方案穿墙易失联86% similarUnverified无线紧急按钮首选433MHz或Zigbee协议，传输距离室内约30-50米、穿1-2堵墙，超过此距离需加装信号中继器，否则老人在卫生间按下可能无法触发主机82% similarUnverified无线探测器优先选433MHz或Zigbee而非私有2.4GHz协议，433穿墙能力强适合大户型多墙体，2.4GHz易被WiFi干扰且穿透差81% similarUnverified老人跌倒报警场景优先选无线SOS按钮（433MHz或Zigbee），布线在卫生间、床头等位置无需破坏装修；无线传输距离室内实测应≥50m，穿1堵承重墙不失联80% similarUnverified信号传输优先选蓝牙5.0以上或专用2.4G，室内隔一堵墙有效距离应≥10米；纯蓝牙产品隔墙易断连，若需在客厅监测卧室宝宝，选带网关中继的Wi-Fi方案79% similar
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