I just want to add that mesh wifi is not necessary here. Given the amount of bandwidth needed (very little), LoRaWAN (1) with its ~3-10km range will be quite practical.
1. https://en.wikipedia.org/wiki/LoRa
I just want to add that mesh wifi is not necessary here. Given the amount of bandwidth needed (very little), LoRaWAN (1) with its ~3-10km range will be quite practical.
1. https://en.wikipedia.org/wiki/LoRa