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by londons_explore 2 days ago
They should add long range WiFi. For example the Espressif long range WiFi protocol (esp-now lr) should get around 2km of range.

With effort, various exploitable WiFi chipsets could probably have support added too. 2km of range makes mesh networking possible even with very low user densities, especially if combined with store-and-forward.

And then there is always the possibility of a hardware dongle with LoRA with 10km range.