There is only a '2G' SD card supplied for the information and functionality of the GPS unit and in my opinion that limits the overall operation to a minimum. Very few roads or highways outside of the major thoroughfares and common city streets are available on the mapping and location structure. Final destinations are frequently aff by ~ 1/4 mile or so. The POI information is minimal and no phone numbers available if you should want to check for availability. It's just my opinion but I think they should offer at least a '10G' SD card to plug into the unit with much more modern and up to date information; maybe they will.
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