With the advent of new technologies like LoRaWAN, we are still surprised at what these technologies are capable of. With the minimum power and lifetime of several years on a small battery, they can transfer data to extremely large distances. Proof of this is the August 26th attempt, where it was able to transfer data to more than 700km.

https://www.thethingsnetwork.org/article/ground-breaking-world-record-lorawan-packet-received-at-702-km-436-miles-distance