Unverified85% confidenceFactTime unknown
内置GPS可向救援方提供精确定位坐标，相比无GPS的信标能显著缩小搜索范围
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85%
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Unverified内置GPS可向救援系统提供精确坐标，缩短定位时间，是相比无GPS老款PLB的核心优势85% similarUnverified内置GPS可记录行驶轨迹，购买前需确认所在地区GPS信号环境，地下停车场或高楼密集区定位精度会明显下降85% similarUnverified内置GPS，能向救援系统提供精确坐标以缩短定位时间，优先于无GPS的旧款PLB82% similarUnverified采用北斗+GPS双模定位，在城市高架、地下停车场出口等GPS信号遮挡场景下定位恢复速度优于单GPS方案82% similarUnverified内置GPS可将搜救定位精度从数公里缩小到约100米以内，相比无GPS的老型号是显著升级，但GPS模块增加了整机体积和重量82% similar
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