GPS were originally used in military and other government applications. Today, it is also used in other areas like navigation and sports. Though GPS is composed of electronic devices, some handhelds can be used in water.
The Garmin Handheld GPS 400t like it’s predecessor the Colorado 400c features a three inch diagonal touch screen with the latest touch screen technology. Touch screens have become very popular on high end electronic devices and the Colorado 400t is no exception.
Outdoor enthusiast a generation ago had to rely on maps, compasses and landmarks for navigation in unknown territory. There were unseen dangers due to getting lost in dangerous areas and even not being to find your way back to safe areas because of weather. Garmin Handheld GPS units and others have changed the dangerous into exciting adventures. Now you can navigate to anywhere and back without becoming lost or getting into unsafe areas by using a GPS unit.
GPS receivers are becoming less expensive as well as more technically sophisticated, as the scope of the product keeps expanding. The Garmin Handheld GPS Oregon 400c Receiver is the latest offering from Garmin. The unit features a touch screen which is precisely three inches in diagonal length. The screen is also readable under direct sunlight.