First of all, you want to make sure that your particular Garmin portable has the capability to add maps. Most of the newer models do have expandable memory. SD cards and Micro SD cards, which are relatively the same size as the Sims card that stores memory in a cell

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phone or the memory card in a digital camera, can be purchased with specific already on them. These cards can also have maps and data uploaded onto them via the internet.
The great thing about these tiny cards lies in the fact that if you desired, you could carry the entire virtual world around in your purse or back pocket. Garmin portable receivers are designed so that the insertion point for the card is within the waterproof, sealed off portion of the unit but even so, the cards are resilient and can withstand moisture and getting dropped. You can either buy the loaded or empty cards directly from Garmin or do a little research to find the best price from a third party dealer like Amazon.com or TheGPSstore.com.
To download maps go to the Garmin website Buy Maps page where a purchase assistance function will link your specific device to the maps and method for attaining them are presented to you.
If it’s free downloads of you maps you want from third party resources, refer to the fourth article in this series. From there, you’ll be linked to the sources for those and the websites where the downloadable maps are located, for the most part, have easy instructions on how to get them onto your device.