@lupyuen learn.adafruit.com/adafruit-ra this is similar to complete answer. integrate screen, integrate keyboard , external antena, (in my opinion add lipo power or any step up-down from 0.1V-27V from car power,tir, solar power etc)
and normal unix / ruby/python/rust/haskell softweare.
People no need next super wonderfull developer electronic. No people need complete answer to lockdown, blackout, war time etc.
#lora for user (and me ;D )

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