The latest GPS handheld device from the manufacturer, Garmin, is the Colorado 400t. This device is fitted with features that will certainly woo users of GPS appliances. It has 3D map viewing, a large colour screen, iPod-similar control wheel, topo maps and the ability of wireless sharing with other Colorado GPS models. It also has paperless geocaching capacity and is compatible with ‘Whereigo’, a new geocaching game. In addition, the handheld GPS device is hardy and waterproof; key features for the outdoors. It has a screen that is visible, even in bright sunlight and the controls are easy to operate with one hand.
Garmin has a range of GPS handheld devices in its 400 series. The models are preloaded with different maps, in addition to the standard globe basemap. The 400t contains topo maps; the 400c contains US Bluechart maps, while the 400i contains US inland lake maps. Topo maps are suitable for geocachers and hikers. Inland lake maps are best for freshwater fishing purposes, while Bluechart maps are perfect for sea fishing. The company has also issued the Colorado 300, which is more affordable, but comes only with the standard global basemap.
Some seasoned users of Garmin GPS handheld devices advocate the GPSMAP 60CSx, for its wide-ranging performance. The model was introduced before the Colorado series and is very affordable; the introduction of the Colorado series saw its prices drop by as much as $100. This handheld device has earned top marks for its use by hikers and for geocachers.