A portable handheld portable GPS unit is not really what you think it is. In the terminology of GPS handheld GPS and a hand-held GPS are 2 different things. A handheld GPS is a small handheld device like a radio or a watch with GPS technology. A GPS unit is a unit that can go from vehicle to vehicle if you do a lot of traveling. Portable sense, it is not permanently mounted to a vehicle. In this way, you will not get lost whatever city you are in. GPS receivers are now available in small units that can fit in your pocket. These units are used by skiers, cyclists, hikers and lovers of country skiing to track progress, map routes of return, to put aside the routes of travel, and many other applications. One of the most recent past users of handheld GPS is geocaching. Geocaching is a treasure hunt to find using GPS to hide and containers treasure with others. 21st century treasure hunting. Is that not cool.
While these units can be fun, they are also useful in an emergency. Using the Global Positioning System technology you can pinpoint your location in case of an accident or if you get lost in the desert. And they fit easily into a backpack or pocket.
As with any electronic device of these units are available with many features. These features include: map database; Voice activated GPS, WAAS technology, the less-reflection screen; usurpation of the functions of prevention, an option to custom icons, and MP3. However, a unit of about $ 100 will give you what you need to do some hiking or trekking and find your way home.
Different models vary according to the GPS and database software installed. To facilitate the exercise of interactive GPS unit, all models have basic instructions on the screen. Most handheld GPS models come with instructions that will allow you to hear the information disseminated and the read on the screen.
Personal choices that will determine handheld GPS receiver you choose. Your choice will depend on the type of mapping software...