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OMR 230
OMR 210

GPS handheld and satellite communicator

Color: Black

Rugged GPS handheld and inReach satellite communicator with Garmin TopoActive Europe mapping

GPSMAP 66i is a Large 3? sunlight-readable colour display for easy viewing

  • Trigger an interactive SOS to the GEOS 24/7 search and rescue monitoring center; two-way messaging via the 100% global Iridium® satellite network (satellite subscription required)
  • Preloaded Garmin TopoActive Europe 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 hours of battery life in 10-minute tracking mode; 200 hours in Expedition mode with 30-minute tracking intervals

Precise Garmin navigation meets global communication in the GPSMAP® 66i premium GPS handheld with inReach®, satellite technology.

Built for tough treks

The sturdy, button-operated GPSMAP 66i features a large 3? colour display you can see even in bright sunlight. If you're out in the field for long stretches of time, you can turn on Expedition mode and get up to 200 hours of battery life while using inReach technology. In the default tracking mode, you get up to 35 hours of battery life, and your device will save your location every 10 minutes.

inReach Satellite communication

Staying in touch is vital, even on less challenging trips. Using inReach technology (subscription required), this handheld lets you trigger an SOS to the GEOS 24/7 emergency response team for interactive support in an emergency. It also enables two-way messaging and LiveTrack location sharing via the 100% global Iridium satellite network, so you can stay in contact with loved ones, teammates, headquarters and more.

inReach Satellite communication

At a Glance

Navigate with confidence

GPSMAP 66i is fitted with the best in Garmin navigation. Preloaded Garmin TopoActive Europe mapping provides detailed views of topographic elevations, summits, parks, coastlines, rivers, lakes and geographical points. Direct-to-device downloads of BirdsEye Satellite Imagery, provide high-resolution photo-realistic views of your route, trailheads, clearings and more, without an annual subscription. Support for multi-GNSS combined with altimeter, barometer and compass navigation sensors lets you track and navigate in challenging environments.

Weather anywhere

Wireless cellular connectivity lets you access Active Weather for up-to-date forecasts, including predictive maps for temperature, wind, precipitation and clouds right on the handheld when connected to Garmin Connect Mobile.

Weather anywhere

Pair with your mobile device

The free Garmin Explore mobile app lets you plan, review and sync data, including waypoints, routes, activities and collections. Review completed activities while still in the field even when you're off the grid. The app also lets you sync your GPSMAP 66i with your compatible mobile device so you can access unlimited maps, aerial imagery and U.S. NOAA charts. You can even use all of the inReach features on your paired mobile device. For easier messaging, you can access your phone's contact list from the Garmin Explore app to connect with fewer keystrokes. Plan for future trips and review previous activities from the Garmin Explore website.

Pair with your mobile device


Physical dimensions 6.6 x 16.3 x 3.5 cm
Display size 3.8 x 6.3 cm; 3" diag (7.6 cm)
Display resolution 240 x 400 pixels
Display type Transflective colour TFT
Weight 241 g
Battery type Rechargeable lithium-ion
Battery life Up to 35 hours at 10-minute tracking; up to 200 hours at 30-minute tracking (power save mode)
Water rating IPX7
MIL-STD-810 yes (thermal, shock, water)
High-sensitivity receiver  
Interface high speed micro USB and NMEA 0183 compatible
Memory/history 16GB

Maps & memory

Preloaded maps Yes (topographic)
Ability to add maps  
Automatic routing (turn by turn routing on roads)  
Map segments 15000
BirdsEye yes (direct to device)
Includes detailed hydrographic features (coastlines, lake/river shorelines, wetlands and perennial and seasonal streams)  
Includes searchable points of interests (parks, campgrounds, scenic lookouts and picnic sites)  
Displays national, state and local parks, forests, and wilderness areas  
Storage and Power Capacity microSD™ card (not included)
Waypoints/favourites/locations 10,000
Tracks 250
Track log 20,000 points, 250 saved gpx tracks, 300 saved fit archives
Routes 250
Rinex logging  


Barometric altimeter  
Compass Yes (tilt-compensated 3-axis)
GPS compass (while moving)  

Daily smart features

Connect IQ (downloadable watch faces, data fields, widgets and apps)  
Smart notifications on handheld  
VIRB® camera remote  
Compatible with Garmin Connect Mobile  
Active Weather   

Safety and Tracking Features


Outdoor recreation

Point-to-point navigation  
Compatible with BaseCamp™  
Area calculation  
Hunt/fish calendar  
Sun and moon information  
XERO Locations  
Geocaching-friendly yes (Geocache Live)
Custom maps compatible yes (500 custom map tiles)
Picture viewer  
LED beacon flashlight  

inReach® features

Interactive SOS  
Send and receive text messages to SMS and email  
Send and receive text messages to other inReach device  
Exchange locations with other inReach device  
MapShare compatible with tracking  
Virtual keyboard for custom messaging  
inReach remote compatible  

Outdoor applications

Compatible with Garmin Explore™ app  
Garmin Explore website compatible  


Wireless connectivity

yes (Wi-Fi®, BLUETOOTH®, ANT+®)


  • Trigger an interactive SOS with 24/7 search and rescue monitoring center: Yes
  • Send and receive text messages to SMS and email: Yes
  • Send and receive messages with other inReach® users, exchange locations: Yes
  • Track and share location with friends and family on web-based MapShare® portal: Yes
  • Virtual keyboard for custom text messaging: Yes
  • Garmin Explore compatible: Yes
  • Garmin Connect IQ compatible: Yes
  • Wireless compatible: Yes (Wi-Fi®, BLUETOOTH® and ANT+®)
  • Map segments: 15,000
  • Active weather: Yes
  • Request weather forecasts for current location and planned destination: Yes
  • Smart Notifications: Yes
  • Live Tracking: Yes (with Garmin Explore)
  • BirdsEye direct to device: Yes (no annual subscription required)
  • MIL STD 810G ruggedness for thermal, shock and water performance
  • RINEX Logging: Yes
  • GPSMAP 66i
  • Access to Birdseye Satellite Imagery
  • Charging/data cable
  • Carabiner clip
  • Documentation

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