Best GPS Devices - Built-In Altimeter Special Features, Map cartridges / Data cards, USB PC Interface

'the enhanced track navigation will prove especially useful.'

'Garmin Oregon 450 handheld GPS is waterproof and rugged, so that it is robust enough to withstand the hard climatic conditions.'

'excellent quality solid GPS body'

'The 42 channel GPS receiver is WAAS enabled for greater accuracy.'

'rugged casing'

'handheld device'

'Pop in a microSD card and some batteries and you're ready to go.'

'rugged, metal-plated, waterproof case'

'handheld device'

'Pop in a microSD card and some batteries and you're ready to go.'

'rugged, metal-plated, waterproof case'

'handheld device'

'features a built-in compass and altimeter'

'After using the eTrex Vista C handheld GPS Receiver for some time, we are still very happy with it here at the lodge.'

'The SiRF delivers some of the best GPS satellite acquisition times available.'

'This GPS unit's diminutive size and weight, not to mention its rugged design, make it an ideal hiking companion'

'features a built-in compass and altimeter'

'After using the eTrex Vista C handheld GPS Receiver for some time, we are still very happy with it here at the lodge.'

'The SiRF delivers some of the best GPS satellite acquisition times available.'

'This GPS unit's diminutive size and weight, not to mention its rugged design, make it an ideal hiking companion'

'features a built-in compass and altimeter'

'After using the eTrex Vista C handheld GPS Receiver for some time, we are still very happy with it here at the lodge.'

'The SiRF delivers some of the best GPS satellite acquisition times available.'

'This GPS unit's diminutive size and weight, not to mention its rugged design, make it an ideal hiking companion'

'variable-use global positioning device'

'such a huge screen'