Unverified90% confidenceDecision RuleTime unknown
购买前确认你的使用场景是否真的需要外置GPS——如果手机本身有GPS且信号正常,这类产品意义有限;主要适用于WiFi版iPad、飞行电子航图、或手机内置GPS信号不佳的专业户外场景
1
Sources
90%
Confidence
Long-term
Relevance
-
First Seen
Sources
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