The solution between villages could be LoRa since it is cheap, less than 50 euro per device albeit too high-tech. A lower tech option is plain old radio, for e

The solution between villages could be LoRa since it is cheap, less than 50 euro per device albeit too high-tech. A lower tech option is plain old radio, for example: https://frn.dc4fs.de/ https://frn.dc4fs.de/