Zello Emergency Communications

Zello (https://zello.com/) is a free walkie-talkie app for smartphones, tablets, laptops and desktop computers. The app requires an Internet connection to work properly, whether it’s through Wi-Fi or a mobile data network. Unlike the standard calls you can make on the device of your choice, Zello connects you to fellow users and radio channels where large groups can talk regardless of distance.

According to Zello:

  • Zello is designed to make optimal use of whatever network resources are available.
  • Even if phone towers are down and radio waves are saturated with other signals, Zello cuts through loud and clear, using low-bandwidth 2G connectivity if it has to.
  • Having a push-to-talk app in your pocket means access to instant or replayable voice communications, text, location and media sharing in one place.
  • With the help of a gateway, you can even integrate Zello into your existing LMR system and completely eliminate dead zones.
  • Channel communications are encrypted in transit, and direct messages are encrypted end-to-end, with 1024 bit RSA for identity, 256 bit AES for content, and TLS for traffic management.


----- While Zello does require an Internet connection to work, it is often possible to get some sort of Internet access even when other systems are overloaded or non-existent. Zello is an additional communications channel to add to your preparedness planning. Of course, Zello can also be used for non-emergency communications, such as family outings and road-trips.

For personal use, download the free Zello app here: https://zello.com/personal/download/


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