Unverified82% confidenceDecision RuleTime unknown
带双向语音对讲的主机远优于仅外呼报警的机型，救援方接通后可直接与老人对话确认情况，避免误触发时的无效出警；对讲喇叭功率建议≥2W以保证老人听清
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82%
Confidence
Long-term
Relevance
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Unverified带双向语音通话功能的呼叫器优于仅发送警报的机型，报警时救援方可直接与老人对话确认情况、安抚情绪，避免因无法沟通导致误判或延误90% similarUnverified看护老人跌倒或需及时沟通的场景，双向语音必备且应确认延迟低、无明显回声，配合云台可实现远程巡视对话80% similarUnverified双向语音对讲的全双工（可同时说和听，类似打电话）比半双工（对讲机模式需轮流）体验好很多，看护沟通场景务必确认为全双工，否则老人回应容易被打断听不清78% similarUnverified双向语音通话的实际延迟和回声消除差异大，看护老人/远程哄娃场景需选带全双工通话+回声消除的机型，半双工只能一方说话较难沟通77% similarUnverified双向语音对讲存在约0.5-1.5秒延迟，半双工机型（对讲时听不到对方）不适合与老人实时沟通，看护老人应选全双工对讲机型75% similar
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