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Garmin Nuvi 2450
Garmin Nuvi 2460
Garmin NUVI 3750
Garmin nuvi 1690
Magellan Roadmate 2120T-LM
Garmin Nuvi 2450 GPS Receiver
Garmin Nuvi 2460LMT GPS Receiver
Garmin NUVI 3750 GPS Receiver
Garmin NUVI 1690 4 4 in  Car GPS Receiver
Magellan Roadmate 2120T-LM GPS Receiver
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Release Date
Jan 2011
Jan 2011
Apr 2010
Sep 2009
Nov 2011
Designation
Automobile
Automobile
Automobile
Automobile
Automobile
Map capabilities
Map cartridges / Data cards
Map cartridges / Data cards
Map cartridges / Data cards, Download maps
Internal, Map cartridges / Data cards, Download maps
Internal
Form Factor
Mountable, Portable
Fixed
Fixed
Fixed
Fixed
Input Method
Touch Screen
Touch Screen, Voice Command
Touch Screen
Touch Screen, Voice Command
Touch Screen
Screen Size
5.0 inch
5.0 inch
4.3 inch
4.4 inch
4.3 inch
User interface
Touch Screen
Touch Screen, Voice Command
Touch Screen
Touch Screen
Touch Screen
Average Rating
 3.5 stars
 3.5 stars
 4.2 stars
 3.9 stars
 1.6 stars