We have a 42 foot motor home that we travel across the country Full Time RVing. We have had a few different GPS systems, all automobile type mapping. Every once in a while the GPS will route us where we should not be because of weight or size. We bought the Cobra 7750 Platinum because of the Truck Specific mapping. You actually enter you vehicle specifications such as height, with, weight, etc. After entering this information, the idea is that the GPS will keep you on a safe mapping route so you
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Cobra 7750 PRO Professional Driver 7-Inch Portable GPS Navigator review
