Over the years the size of handheld GPS units has shrunk while performance and power have increased, as GPS technology has progressed . This is a good news for backpackers, bikers, cross-country skiers, and geo-cachers and other outdoor enthusiasts. These pocket sized units will help you find your way, keep track of where you are, and show you the way back to where you came from.

The handheld GPS units in general can be classified as two types. To begin with is a devoted component which is purely a GPS device for receiving. This kind of unit comes with several screens which display everything from the direction you're going to the amount of time it'll take you to get where you're going.

The other type of handheld GPS is an add-on to a PDA. In essence this is a piece of hardware that plugs-in to the PDA and gives it GPS functionality. Although, this would appear to be a good add-on, a point to note here is that such plug-ins are quite large in size thus occupying valuable space, which is not the case to bother about in a full fledged GPS unit.

When you are buying a handheld GPS system then you should have a knowledge about these necessary things.

The main fact to decide before purchase is to plan how to use it. Getting a GPS signal to your receiver from the orbiting satellites is important, because it is dependent on line of sight.

You might not get a good signal in deep canyons, rugged mountainous areas, beneath dense foliage and tree cover, or even the skyscraper canyons of a city. There are still issues to think about, even though typically there will be enough satellites overhead to avoid this problem.

When thinking about a hand-held unit, you must also inspect the kind of accessories and add-ons that are offered for a specific model. Are firmware updates easily available and easy to download and install? Can extra maps and data be burdened transferred onto the unit that meets your precise requirements? Does your home computer or laptop has a software/hardware that lets you interface the GPS unit?

Most handheld systems give you all these options but you do need to so your research before hand. When selecting a GPS, you need to make sure it does exactly what you need it to do. That's the only way to find the GPS that works best for you.

One of the best Garmin Handheld's to make use of is the Garmin 60CSx. This GPS is in a club of its own. And now it is available for an incredible price! Find out more about the Garmin 60CSx GPS and the way you might receive a Colossal discount here.

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