great links thanksTech Rally said:
There are many different cards available, Once you decide on the brand of GPS to get, then you can look at the card options available for that unit.finlander said:Is there a plug-n-play card for GPS that show good detail of the near shore areas of the Great Lakes??? I have been looking for a card for my soon to be purchased GPS. I have looked at sites but they have little information. I need to call them I guess. Thanks for any help.