Re: Internal vs. External GPS for battery life?
I'm using iNav and all the maps are saved on my SD. Little over 1 gig and well worth it. Faster and if im not getting a tower I still have GPS. I have used it on my laptop, HP 2415 PDA, 3 Touch pro's, a touch diamond, Titan and now my Touch Pro 2. I think it will work for you.
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