Unverified88% confidenceDecision RuleTime unknown
触发后通知方式决定救援效率：纯本地声光报警对独居老人无意义，须选支持推送App+电话拨号（GSM/4G自带SIM卡）的机型，最理想为可设置3个联系人依次拨打
1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified支持GSM/4G电话拨号+短信的主机比纯App推送更可靠，断网或断电时仍能报警，独居老人或空置房产优先选带SIM卡插槽的型号85% similarUnverified报警通知优先选支持电话拨打（GSM/4G语音外呼）的型号，纯APP推送依赖子女手机在线且看到，延误率高；理想配置为自动电话+短信+APP三重通知82% similarUnverified对于独居且无固定看护人的老人，应选择带4G通信模块+SIM卡可自主拨打电话/发短信的设备，而非仅依赖蓝牙连手机App转发的方案，后者手机不在身边即失效81% similarUnverifiedSOS呼救必须选支持独立4G通话+内置SIM卡的型号（非蓝牙依赖手机），否则老人跌倒时手机不在身边则呼救失效；同时确认支持多个紧急联系人自动轮拨，而非只拨一个号码78% similarUnverified报警推送方式优先级：本地声光报警+APP推送为基础，SIM卡电话/短信报警适合独居老人或无智能机人群但需月租费，纯APP推送依赖手机联网和不误关通知77% similar
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