GPSMAP 66i
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GPSMAP 66i
Tech Specs

Specifications are maintained on Pack4Back GearDB (community edits and revision history). Values may differ from the manufacturer or your unit—verify before buying.

BrandGarmin
Best UseHiking
Preloaded MapTopo
BasemapYes
Wireless CommunicationYes
OS CompatibilityWindows / Mac
Display Size3 inches
Screen Pixels240 x 400 pixels
Visual Map DisplayYes
Color ScreenYes
Number of Routes250
Number of Waypoints10000
Internal Memory16 gigabytes
Expandable MemoryYes
CompassYes
AltimeterPressure-based
Quad Helix AntennaYes
Compact AntennaNo
Position Accuracy3 meters
Battery TypeLithium Ion
Average Battery LifeUp to 35 hours
Dimensions6.4 x 2.6 x 1.4 inches
Water-Resistance RatingIPX7
Weight8.5 ounces
Description

Precise GPS navigation meets global messaging in the rugged, handheld Garmin GPSMAP 66i. It comes with preloaded TOPO maps and inReach® technology (subscription required) for 2-way messaging and SOS.

Features
  • Button-operated GPS handheld and satellite communicator with interactive SOS alerts
  • Large 3 in. sunlight-readable color display is easy to view
  • Buttons provide simple operation even with gloves or in the rain
  • Trigger an interactive SOS to the GEOS 24/7 search and rescue monitoring center; exchange 2-way messages via the 100% global Iridium® satellite network (subscription required)
  • Preloaded Garmin TOPO mapping with direct-to-device BirdsEye Satellite Imagery downloads (no annual subscription)
  • Includes multiple Global Navigation Satellite Systems (GNSS) support and navigation sensors
  • Cellular connectivity lets you access Active Weather forecasts and Geocaching Live
  • Compatible with the Garmin Explore™ website and app to help you manage waypoints, routes, activities and collections, use tracks and review trip data from the field
  • Internal, rechargeable lithium battery provides up to 35 hrs. of battery life in 10 min. tracking mode (and 1 min. tracking mode with display off
  • Expedition mode (30 min. tracking intervals) provides up to 200 hrs. of battery life
  • IPX7 rating means the GPSMAP 66i is considered waterproof; it can withstand submersion in water up to 1m deep for up to 30 min.