We use it at work, our industrial area is quite large (kilometers) and unpractical to use 2/3/4/5g or cables. Sensors are all sorts and goes into mqtt and later

We use it at work, our industrial area is quite large (kilometers) and unpractical to use 2/3/4/5g or cables. Sensors are all sorts and goes into mqtt and later into our timeseries database, with 10+ years of history.