Unverified90% confidenceDecision RuleTime unknown
需要外接GPS天线和VHF天线，购买前需确认是否有合适的天线安装位置以及VHF天线是否支持AIS频段分时共用或需要独立天线
1
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90%
Confidence
Long-term
Relevance
-
First Seen
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Unverified需要外接专用GPS天线和VHF天线，购买前需确认是否有合适的天线安装位置以及VHF天线是否可共用（需加分配器）或需单独配置AIS专用天线98% similarUnverified需要外接专用GPS天线和VHF天线，购买前需确认是否有额外天线安装空间以及VHF天线是否支持AIS频段分路或专用天线布局97% similarUnverified需要外接专用GPS天线和VHF天线，购买前需确认是否已有兼容的VHF天线或需另购AIS专用天线，与船上现有VHF天线共用需加装信号分离器94% similarUnverified内置GPS模块，无需额外购买外置GPS天线即可获取定位，但仍需单独安装VHF天线或AIS专用天线用于收发信号83% similarUnverifiedAIS收发器需独立GPS天线用于定位报告，切勿与绘图仪共用天线；内置GPS机型安装简单但需甲板信号良好位置，外接天线适合金属船体或安装位受限的场景79% similar
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