Unverified80% confidenceFactTime unknown
专业安防主机的无线传感器多采用433MHz或Zigbee协议，433MHz穿透性好距离远，Zigbee组网稳定支持双向通信可回传电量状态
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80%
Confidence
Long-term
Relevance
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Unverified无线探测器优先选433MHz或Zigbee协议，Zigbee组网稳定支持双向通信可反馈电量，433MHz穿墙好但为单向通信、无法确认信号送达，大户型选Zigbee92% similarUnverified无线报警主机选433MHz频段传感器兼容性更广，但抗干扰能力弱于Zigbee/Z-Wave；家庭布防点＞15个时优先选Zigbee方案避免信号拥堵89% similarUnverified无线报警传感器通信频段决定抗干扰与穿墙能力：Zigbee/Z-Wave（915MHz/868MHz）比433MHz抗干扰强、支持组网回传状态，433MHz为单向发射不确认是否收到87% similarUnverified选择无线探测器时应确认其无线频段/协议（如433MHz、Zigbee、Z-Wave）与自家报警主机一致，且优先选支持双向通信的协议，可回传低电量和防拆状态；单向433MHz便宜但主机无法确认设备在线87% 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85% similar
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