Agreed, it's not the distance on itself that is impressive, but the fact that it is achieved with very small off-the-shelf hardware, a short piece of wire as an

Agreed, it's not the distance on itself that is impressive, but the fact that it is achieved with very small off-the-shelf hardware, a short piece of wire as antenna, license-exempt ISM band, on a freely available IoT data network that you even can extend by placing a gateway yourself!