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Satellite Technology Solutions

Garmin GPSMAP® 66i

Garmin GPSMAP® 66i

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Enjoy the freedom of knowing your precise location and the convenience of two-way messaging with this all-in-one solution.

Experience MORE ADVENTURE and LESS WORRY with the GPSMAP 66i! This rugged GPS handheld and satellite communicator combines precise navigation, global communication, and essential features for your outdoor pursuits.

Stay safe with interactive SOS alerts! Whenever you need assistance, send SOS alerts globally to get help when it matters most.

Connect with your loved ones no matter where you roam! Two-way messaging enables seamless communication with the people who are important to you.

Share your journey in real-time! Let your loved ones know your exact location with location tracking and sharing.

Enjoy beautiful and detailed maps without a subscription! The GPSMAP 66i comes preloaded with TopoActive maps of the U.S. and Canada.

Be prepared with in-depth terrain knowledge! The device features preloaded TopoActive maps, so you'll know the terrain before you even step into it.

Extend your adventures with long battery life! With up to 35 hours of battery life in tracking mode and up to 200 hours in Expedition mode, you can stay out there longer and explore to your heart's content.


Experience the next level of navigation and communication with the GPSMAP 66i!

MULTI-GNSS SUPPORT enables you to access multiple global navigation satellite systems (GPS and GALILEO) for accurate tracking even in challenging environments.

Navigate every trail with confidence using ABC SENSORS - an altimeter for elevation data, barometer for weather monitoring, and a 3-axis electronic compass.

BIRDSEYE SATELLITE IMAGERY provides high-resolution, photo-realistic maps directly to your device without an annual subscription. Easily find trails, stand locations, parking spots, and create waypoints.

PRELOADED TOPO MAPS of the U.S. and Canada offer terrain contours, elevations, summits, parks, coastlines, rivers, lakes, and geographical points for comprehensive route planning.

Access WIKILOC TRAILS with a preloaded app to download hiking, cycling, and other trails shared by outdoor enthusiasts, and try the exclusive features with a free 60-day Wikiloc Premium trial.

Stay in touch with inReach technology!

TWO-WAY MESSAGING allows you to exchange texts, post on social media, and communicate with other inReach users in the field (satellite subscription required).

In case of an emergency, trigger INTERACTIVE SOS ALERTS to Garmin ResponseSM, a 24/7 professional emergency response coordination center (satellite subscription required).

Share your LOCATION with loved ones at home or in the field, allowing them to track your progress and ping your device for your GPS location (satellite subscription required).

Connect seamlessly via the 100% GLOBAL IRIDIUM® SATELLITE NETWORK, eliminating the need for cellphone coverage (satellite subscription required).

Access OPTIONAL INREACH WEATHER for detailed updates on GPSMAP 66i or a compatible device paired with the Garmin Explore™ app. Get weather forecasts for your current location, waypoints, or destinations on your route.

Stay informed with ACTIVE WEATHER when paired with your smartphone, providing real-time forecast information and live weather radar.

Designed for adventure:

Built for ADVENTURE with military standards for thermal, shock, and water performance (MIL-STD-810) - even compatible with night vision goggles.

Utilize the built-in LED FLASHLIGHT as a beacon to signal for help, reducing the gear you need to carry.

Manage your journey with the GARMIN EXPLORE APP, planning, reviewing, and syncing waypoints, routes, and tracks on your mobile app and website.

Extended BATTERY LIFE: Turn on Expedition mode for up to 200 hours of battery life while using inReach technology, or get up to 35 hours in default tracking mode with location saved every 10 minutes.

Embrace the outdoors fully prepared and confident with the GPSMAP 66i by your side!


GPS Navigation: It provides accurate GPS navigation with support for multiple global navigation satellite systems (GNSS), including GPS, GLONASS, and Galileo.

InReach Technology: The GPSMAP 66i integrates Garmin's inReach technology, allowing two-way messaging, SOS alerting, and tracking via the Iridium satellite network.

Display: It features a sunlight-readable 3-inch color display with a resolution of 240 x 400 pixels.

Battery Life: The device is powered by a rechargeable lithium-ion battery. Battery life can vary depending on usage but typically offers several days of operation with normal use.

Connectivity: It supports Bluetooth and ANT+ connectivity, enabling wireless communication with compatible devices such as smartphones and sensors.

Topographic Maps: Comes preloaded with topographic maps for detailed terrain information, with the ability to add additional maps via microSD card.

Weather Forecasts: Provides weather updates and forecasts when paired with a compatible smartphone and Garmin Connect app.

Dimensions and Weight: The dimensions are approximately 6.4 x 16.3 x 3.5 cm (2.6 x 6.4 x 1.4 inches), and it weighs around 230 grams (8.1 ounces) with batteries.

Water Resistance: It is rated to IPX7 standards, meaning it can withstand immersion in water up to 1 meter deep for up to 30 minutes.

Sensors: Includes a barometric altimeter and electronic compass for accurate navigation and elevation data.

Wireless Updates: Allows for wireless software updates to keep the device up-to-date with the latest features and improvements.

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