GPSMAP H1i Plus

Overview
Specs
In the Box
Maps
Accessories
Compatible Devices
Overview WHEN ADVENTURE CALLS, RESPOND
This rugged GPS handheld navigator has a modern design, preloaded maps and built-in inReach Plus technology1 to stay in touch beyond cellular coverage. It’s time to hit the trails.
HYBRID DESIGN OFFERS A 3.5-INCH COLOR TOUCHSCREEN AND PHYSICAL BUTTONS
EXCHANGE PHOTOS, VOICE MESSAGES AND TEXT MESSAGES WITH AN INREACH SUBSCRIPTION1
SEND AN SOS MESSAGE TO THE GARMIN RESPONSE℠ CENTER FOR HELP IN AN EMERGENCY (SUBSCRIPTION REQUIRED)
PRELOADED TOPOACTIVE MAPS, DOWNLOADABLE SATELLITE IMAGERY AND OPTIONAL OUTDOOR MAPS+ CONTENT
LONG BATTERY LIFE OFFERS UP TO 145 HOURS IN GPS MODE
MULTI-BAND GPS AND MULTI-GNSS SUPPORT HELPS PINPOINT YOUR PRECISE LOCATION
WHAT YOU’LL LOVETOUCHSCREEN DISPLAYThe bright, sunlight-readable 3.5-inch color touchscreen has chemically strengthened glass to resist scratches. It is glove-friendly, easy to see and easy to use. Tap, zoom and swipe on the maps to follow your route.
PHYSICAL BUTTONSThe rugged hybrid design also features intuitive push buttons for more versatility when in weather and while wearing gloves. The quick-action button lets users customize functions to their specific needs.
PHOTOS AND VOICE/TEXT MESSAGINGWith an active inReach subscription1, send group text messages up to 1,600 characters. You can also exchange photos and voice messages when outside of cellular coverage.
SOS ALERTSTrigger an interactive SOS message anytime to the 24/7-staffed Garmin Response international coordination center for help in an emergency. This requires an active inReach subscription1.
ADVANCED NAVIGATIONNavigate with preloaded TopoActive maps for the U.S., Mexico and Canada – and easy-to-access global maps. See terrain contours, elevations, geographical points and more.
SATELLITE IMAGERYDownload high-resolution photorealistic maps directly to your device via Wi-Fi technology. Find trails, pick stand locations and parking, create waypoints and more.
BUILT FOR ADVENTUREKNOW THE UNKNOWNOUTDOOR MAPS+Purchase an Outdoor Maps+ plan for access to a variety of premium mapping content across the globe. Plans are updated regularly and sent to your device over Wi-Fi.
LOCATION ACCURACYGet multi-band GPS and multi-GNSS support for superior positional accuracy.
BUILT-IN CAMERASThe integrated front and back cameras allow you to snap selfies and photos of your trip. With an active inReach subscription1, share your photos in real time even without a cellular network.
VOICE CONTROLUtilize voice commands to conveniently handle many tasks, including check-ins, start tracking, take a photo and more. Available in English, German, Italian, Spanish, French, Swedish, Danish and Dutch.
LIVETRACK SHARINGWith an active inReach satellite subscription1 you can easily let friends or family follow your location while you’re on the move; no need to point your device directly toward the sky to find satellites. They can see your progress, including distance, time and elevation.
GARMIN WEATHERGet real-time forecast information so you’re aware of the changing conditions. This feature requires an active Wi-Fi connection or an active cellular connection and use of the Garmin Explore app on your paired smartphone. When you travel beyond cell range, access weather updates via satellite1 for your current location, route destination and more.
PLAN YOUR TRIPSEnjoy seamless trip planning with the ability to easily locate geographic points, share your route and more. This requires an active Wi-Fi connection or cellular connection with use of the Garmin Explore app on your compatible smartphone.
GARMIN SHAREEasily share saved locations and courses with friends’ compatible Garmin devices.
ASCENT PLANNINGSee upcoming climbs on your route, when they will occur and how steep they will be.
EVOLVED DESIGNHELPFUL TOOLSUse the built-in bright LED flashlight torch as a beacon or to light your way when the path goes dark. A loud built-in siren can help draw attention if you are in need.
BATTERY LIFELong-lasting battery life allows for up to 145 hours in all Satellite Systems + Multi-band mode (assuming typical use with SatIQ technology) and up to 840 hours in Expedition mode.
RUGGED DESIGNThis device is built to meet MIL-STD 810 standards for thermal, shock, water (IP67) and vibration to withstand weather and extreme temperatures.
ON THE GOThis device has an integrated Spine Mount 2 and includes a removable loop carabiner for more versatility on your adventure. It’s also compatible with additional Spine Mount 2 accessories, sold separately.
ABC SENSORSGet a built-in altimeter for elevation data, a barometer to monitor weather and a 3-axis electronic compass to provide direction.
1Active satellite subscription required. Some jurisdictions regulate or prohibit the use of satellite communication devices. It is the responsibility of the user to know and follow all applicable laws in the jurisdictions where the device is intended to be used.Wi-Fi is a registered trademark of the Wi-Fi Alliance. Satellite Imagery © 2026 Vantor (date of satellite imagery may vary).Engineering enhancements are ongoing and may not be reflected in the pictures, videos and specifications.Specs GeneralLens material
chemically strengthened glass
Dimension2.6″ x 7.0″ x 1.3″ (6.7 cm x 17.9 cm x 3.3cm)Weight
10.2 oz (290 g)
Water ratingIP67MIL-STD-810yes (thermal, shock, water); bare unit onlyTouchscreenDisplay Typetransflective color TFTDisplay Size1.9″W x 3.0″H (4.7 x 7.7 cm), 3.5″ diagonal (8.9 cm)Display resolution282 x 470 pixelsBattery Typerechargeable, internal lithium-ionBattery life
All Satellite Systems + Multi-band: Up to 145 hours*
Expedition mode: Up to 840 hours
Performance messaging mode with 10-min inReach tracking: Up to 48 hours*
Expedition mode with 10-min inReach tracking: Up to 425 hours
Low-power mode with 10-min inReach tracking: Up to 135 hours
*Assuming typical use with SatIQ technology
Memory/History64 GB (user space varies based on included mapping)InterfaceUSB-CMaps & MemoryPreloaded maps
yes (TopoActive, routable)
Ability to add mapsBasemapAutomatic routing (turn by turn routing on roads) for outdoor activitiesMap segmentsyes (15,000)Satellite imageryyes (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 areasExternal memory storageyes (1 TB max microSD card)WaypointsCoursesunlimitedActivitiesunlimitedActivity profilesGPX importsRinex loggingSensorsGPSGalileoQZSSBeiDouIRNSSBarometric altimeterCompass