Best GPS Devices - Outdoor Designation, Marine Cartography, NMEA-0183 PC Interface

'features a built-in compass and altimeter'

'The device's weight (5.3 ounces, including the batteries) balances nicely with the feel of the rubberized contouring on the sides and side controls.'

'variable-use global positioning device'

'such a huge screen'

'Its compatibility with the remote control makes it more flexible.'

'The 740S version is compatible and ready for the additional BlueChart Vision G2, sonar, or audio weather units later too.'

'The 740 package ships with the display unit, a protective front panel cover, mounting bracket, power/NEMA 0183 cable, owner's manual, quick reference guide, and installation instructions. '