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Unverified85% confidenceDecision RuleTime unknown

支持双频WiFi（2.4GHz+5GHz）的备份器实测传输速度可达30-60MB/s，而仅支持2.4GHz的老款约5-10MB/s，备份一张64GB卡前者约20分钟后者需1小时以上，摄影出行大量素材必选5GHz机型

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Unverified对4K/RAW大文件批量传输，选支持Wi-Fi Direct或5GHz频段的传输器，实测速率≥40MB/s；蓝牙5.0仅约2MB/s，传1GB视频需10分钟以上，仅适合文档/图片86% similar Unverified4G随身WiFi理论峰值约100-150Mbps，实际30-50Mbps，够2-3设备刷视频；需要多人开会/直播/多设备高清流媒体才需上5G机型（峰值可达数百Mbps）79% similar Unverified容量估算按经验公式：单路1080P摄像头H.265编码约2-4GB/天，4路摄像头存30天约需1-2TB，8路存30天建议4TB起，若开24小时不间断录制需在此基础上翻倍77% similar Unverified拍摄运动素材容量估算：4K 60fps约每分钟400-500MB，128G卡可录约4-5小时；如需一整天无回传拍摄（如多日徒步），可选256G高速卡但需接受损坏风险76% similar UnverifiedWiFi 6扩展器的2.4G理论最高速率约574Mbps，5G单流160MHz可达1200Mbps以上，但无线中继实际吞吐通常仅标称值的30-50%76% similar

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