Deutsche Telekom and Vodafone claim first European NB-IoT roaming trial

Low power IoT network technology isn’t much good if it can’t easily cross national borders, so DT and Vodafone have been looking into that with the help of the GSMA.
In fact the GSMA was the one to make the announcement, claiming the two operator groups “…have successfully completed the first international roaming trial in Europe using licensed NB-IoT technology.” NB-IoT is generally accepted to be the default LPWAN technology, for which Vodafone has been one of th