Mobile unit and system having integrated mapping, communications and tracking
作者： James Robert Sherman , Thomas Michael Loftus , Dorian Sergio Araneda , Michael Daniel Koontz
DOI:
关键词:
摘要: A handheld device and system, in which such system include at least one mapping module, tracking module interoperative with said communications each of two antennae communicatively connected via to central processing unit, wherein antenna is suitable for using distinct communication modes.
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