When it comes to purchasing the right handheld GPS you must keep in mind some simple things, such as the GPS receiver and the accuracy that the maps have. Also, a significant factor is the price it has so you need to think about your budget first and then go visit the shops. When it comes to money, Garmin is the most expensive manufacturer, followed by Magellan and TomTom. However, all three of them have quality products so you only need to know what kinds of features you want. Read some reviews of the products and you will find the proper handheld device.
