I came across this project recently which solves for this problem.

Locha.io

https://www.github.com/btcven/locha/tree/master/documentatio...

https://www.github.com/btcven/locha/tree/master/documentatio...

A Harpia node is a Locha Mesh standalone node which can provide services on the network such as an Internet gateway, Bitcoin transactions broadcast, latest blocks data, Electrum Server, a remote monerod, or any other. This device can have a larger antenna plugged, a power amplifier, or even a satellite dish, extending the transmission range in several kilometers