Have to mention World Possible (https://worldpossible.org/) here. They are doing amazing similar work, with rpis and Intel CAP servers.
They also have Datapost (https://datapost.site/map) which uses android phones as data carriers between the remote location and the Internet, for email, stats and updates.
They also have Datapost (https://datapost.site/map) which uses android phones as data carriers between the remote location and the Internet, for email, stats and updates.