Unverified83% confidenceTradeoffTime unknown
5GHz频段投屏器抗干扰和延迟表现优于2.4GHz，但穿墙能力弱、有效距离约10米；开放会议室选5G，隔墙或大空间选双频自动切换款
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83%
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Long-term
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Unverified延迟与传输稳定性存在权衡：走2.4GHz频段稳定不易断但延迟偏高，5GHz低延迟高清晰但距离一远就掉线，家庭客厅同房间用5GHz，穿墙场景牺牲画质选2.4GHz更实用84% similarUnverified多楼层或有大量隔墙的餐厅，应选带信号中继器（放大器）的系统，或改用433MHz低频段而非2.4GHz，低频穿墙能力显著更强78% similarUnverified独立屏无线机型主流采用2.4GHz FHSS跳频加密传输，有效距离在无遮挡下约200-300米，穿墙后大幅衰减；双向语音功能延迟通常低于App机型，适合快速安抚76% similarUnverified无线对讲机需确认穿墙能力，2.4GHz频段穿2堵承重墙后音质衰减明显；户型大或钢筋混凝土老房建议选433MHz低频段或有线方案76% similarUnverified5.8GHz毫米波雷达穿透力强易穿墙误触发，安装在隔墙、玻璃门附近应选24GHz或60GHz方案，60GHz精度最高可实现呼吸级微动检测76% similar
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