The mobile operators may be racing to be first to deploy NB-IoT, and reclaim machine-to-machine networks from the unlicensed spectrum players, but they will still have to deal with the significant headstart that some of those unlicensed options have built up while the LTE standard has been under development. The most prominent of these are Sigfox and LoRa, and the latter has received two boosts in the US recently. First, Comcast announced trials of an M2M platform based on LoRa, called machineQ (see Wireless Watch October 17), and now Senet has expanded its deployments to 10 additional metropolitan areas. Senet has already covered 110 US cities, totalling over 125,000 square miles of coverage, focused on the north east region plus…