- Nov 1, 2005
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i currently have an i-mate jamin windows mobile 5 PDA phone. i would like to buy a bluetooth GPS receiver but i'm sure where to start. my question is, is there a monthly fee for GPS service, does the GPS receiver use battery or car battery? if it uses car's 12v cigarette lighter, what do i do when my phone is already using it? also, i'm assuming the maps are stored on flash memory?