Handheld GPS Devices
Handheld GPS devices are one type of GPS device. There are various types of handheld GPS devices. Basic handheld units tend to be more on the simplistic side, their main use being navigation for any type of outdoor adventure imagineable. These handheld GPS devices range from sleek and lightweight models to rugged, heavier machines. On top of providing top notch navigation and battery life lasting up to 28 hours at a time, there are also handheld GPS devices that come equipped with arm and wristbands, giving the consumer a unique hands-free experience.
Mapping handheld GPS devices are a sub-category of the handheld GPS. The mapping handheld units have some important differences when juxtaposed with the basic handheld GPS. For instance, Mapping handheld GPS devices have worldwide basemaps, so you can literally navigate anywhere in the world. They also have the capacity to download and store many other types of maps that may not be included, such as topographic, marine and roadmaps. Mapping handheld GPS devices are able to find any individuals location quickly and precisely, even in the most rugged of weather conditions. Most mappig handheld GPS devices also have a built in camera and the ability to accept an SD chip. The consumer is able to document their travels via photography with the very piece of machinery making the adventure possible in the first place. Many of the units also come with a wireless interface, allowing you to share different routes with your friends and family.
Two-way radios are another popular member in the handheld GPS device family. These devices all have built in high-sensitivity GPS and enable users to communicate with one another. These GPS units also have wireless interface that allows you  to find or be found by any member of your party with a compatible two-way radio GPS unit. There are settings that enable these GPS devices to scan for the nearest National Oceanic and Atmospheric Administration (NOAA) weather radio station to keep the user abreast of any impending, potentially dangerous conditions that may be developing.  In addition to this, some of the two-way radio GPS units have vibrate mode for alerts, barometric altimeter and voice scrambler for the wildest adventure conceivable.