When you’re off the beaten path, there are more and more options available to get help in an emergency, or even tweet about your adventure.
Which system will be the best for you, though? Have a look at our handy comparison chart to help you with your decision!
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Garmin inReach Mini
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SPOT Gen4 Satellite GPS MessengerProduct on sale$139.99
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ZOLEO For Seamless Connectivity. Beyond Cell Coverage.$269.99
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Garmin inReach Explorer+$589.99
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Garmin GPSMAP 66i$829.99
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Garmin Montana 700i & 750i$979.99 – $1,119.99
Product | ACR – 406 Link![]() | SPOT 4![]() | SPOT X![]() | Garmin inReach Explore+![]() | Garmin inReach Mini![]() | Garmin GPSMAP 66i![]() | Garmin Montana 700i & 750i![]() | ZOLEO![]() |
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Satellite Constellation | LEOSAR-GEOSAR maintained by NOAA | 34 LEO satellites maintained by GlobalStar | 34 LEO satellites maintained by GlobalStar | 66 cross-linked LEO satellites maintained by Iridium | 66 cross-linked LEO satellites maintained by Iridium | 66 cross-linked LEO satellites maintained by Iridium | 66 cross-linked LEO satellites maintained by Iridium | 66 cross-linked LEO satellites maintained by Iridium + Cellular network + WiFi |
Coverage | Global | Virtually Global – mostly inland, some off shore | Virtually Global – 2-way messaging is Americas, Europe and most of africa | Global | Global | Global | Global | Global |
Where does your distress signal go? | Cospas | GEOS EIRCC | GEOS EIRCC | GEOS EIRCC | GEOS EIRCC | GEOS EIRCC | GEOS EIRCC | GEOS EIRCC |
Annual or Monthly Fee | Not mandatory – annual fee is only used for advanced self tests. Beacon testing can be done without the 406Link service. | Mandatory | Mandatory | Mandatory | Mandatory | Mandatory | Mandatory | Mandatory |
SOS | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
Help – send for help to predetermined contacts | ❌ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ |
Check-in/OK | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
Custom Message | ✅ (pre-determined messages only) | ✅ (pre-determined 120 character messages only) | ✅ | ✅ (160 character type & send messages either used alone or when paired with iPhone or Android) | ✅ (160 character messages when paired with iPhone or Andriod) | ✅ | ✅ | ✅ (950 character type & send messages when paired when paired with iPhone or Andriod) |
Tracking | ❌ | ✅ (additional fee) | ✅ | ✅ (with select plans) | ✅ (with select plans) | ✅ (with select plans) | ✅ (with select plans) | ❌ |
2-way Communication | ❌ | ❌ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
Update Social Networking Sites | ❌ | ❌ | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ |
Weather forecasts | ❌ | ❌ | ❌ | ✅ (additional service) | ✅ (additional service) | ✅ (additional service or Active Weather when paired with cell phone) | ✅ (additional service or Active Weather when paired with cell phone) | ✅ |
Mapping | ❌ | ❌ | ❌ | On mobile devices using the free Earthmate® app for access to downloadable maps, U.S. NOAA charts, color aerial imagery and more | Preloaded DeLorme® TOPO maps on device PLUS on mobile devices using the free Earthmate® app for access to downloadable maps, U.S. NOAA charts, color aerial imagery and more | Preloaded Garmin TopoActive maps of North America. Compatible with other Garmin mapping, BirdsEye, U.S. NOAA charts and more either via the Garmin Explore App or pre-loaded microSD cards or downloads (depends on map and usage). | Preloaded Garmin TopoActive maps of North America. Compatible with other Garmin mapping, BirdsEye, U.S. NOAA charts and more either via the Garmin Explore App or pre-loaded microSD cards or downloads (depends on map and usage). | ❌ |
Pairs with IOS or Android devices via Bluetooth | ❌ | ❌ | ❌ | ✅ | ✅ | ✅ | ✅ | ✅ |
Keyboard for on-device message construction | ❌ | ❌ | ✅ | No. Use up and down toggle buttons or pair to smartphone for easy typing. | No. Use up and down toggle buttons or pair to smartphone for easy typing. | No. Use up and down toggle buttons or pair to smartphone for easy typing. | ✅ Touchscreen QWERTY keyboard to pair to smartphone | No. Pair to smartphone for typing. |