“Can this GPS be used worldwide, Guyana South America. Do you need a chip for it to work? It's for a vessel/boat.”

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• you can download any worldwide road map to a microchip. no water map.

  Answered by worldwideroadmap 2 years ago

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• I would contact Garmin about S America. In reference to marine use I would also contact Garmin

  Answered by Anonymous 2 years ago

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