goTenna turns your iPhone or Android into an off-grid communications tool, enabling you to text & share GPS locations on detailed offline maps.
goTenna is lightweight, weather-proof, and easy to use.
goTenna is sold in pairs of 2 so you can stay connected to at least one friend (and anyone else using goTenna). Each pair comes with 2 micro-USB charging cables.
goTenna apps and offline maps are free to download. goTenna comes with a 1-year limited warranty.
iPhone & Android app
Send & receive messages for free
Share locations on detailed offline maps (also for free!)
Instantaneous transmission within range
1-to-1 & group messaging
Delivery confirmation & message retry (1-to-1 chats only)
“Shout” broadcasts to anyone within range
End-to-end encryption (384-bit elliptic curve)
Compatible and interoperable with iOS & Android devices
Upgradable via firmware & software updates