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Garmin GPSMAP 536
Garmin GPSMAP 546
Garmin GPSMAP 531
Garmin Zumo 660
Garmin GPSMAP 536 GPS Receiver
Garmin GPSMAP 546s GPS Receiver
Garmin GPSMAP 531 GPS Receiver
Garmin Zumo 660 GPS
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Release Date
Jul 2009
Jul 2009
Jul 2009
Nov 2006
Receiver type
20 Channels
12 Channels
14 Channels
Designation
Marine
Marine
Marine
Motorcycle / Bikes
Enhanced accuracy
WAAS enabled
WAAS enabled
WAAS enabled
Form Factor
Fixed
Fixed
Fixed
Fixed
Input Method
Touch Screen
Keypad
Keypad
Touch Screen
Screen Size
5.0 inch
5.0 inch
5.0 inch
4.4 inch
User interface
Touch Screen
Touch Screen
Average Rating
 n stars
 n stars
 n stars
 n stars