> There have been devices using 3G for years. It is very cheap and the infrastructure is pretty much everywhere. --- My Resmed CPAP machine came with a cellular

> There have been devices using 3G for years. It is very cheap and the infrastructure is pretty much everywhere. --- My Resmed CPAP machine came with a cellular tattletale. It was a separate module with a cable to the mainboard. I unplugged it. The DME provider got all pissy about it, but I just ignored them. I'm guessing the main reason it was a separate circuit board was so they could install a compatible cellular module depending on what country it was to be shipped to.