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This is very cool, and something I could see myself setting up for my friends while camping as well. Are you able to share more details about your setup? Thanks!

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Sure. The radios are inexpensive ESP32 LoRa dev boards (with good antennae and 3D printed enclosures), and the software is a modified version of Meshtastic. This is the article that inspired me -- I think that will lead you to more detail about what I did than I can give here.

https://hackaday.com/2020/02/26/lora-mesh-network-with-off-t...

These perform better than the Baofeng radios we used before, but the terrain is still a limiting factor.

That's a much better price point than a Gotenna, which grew out of a kickstarter and is proprietary. Sell they still ready to go devices not kits, so there's that.

Sounds really interesting! Do you have keyboard on these devises or how do you send the texts? Id really love to see some pictures and internals how they are built up...awesome anyhow tho! :)

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