
T-Mobile launched its Narrowband Internet of Things (NB-IoT) service across the United States -- the first carrier to do so.
NB-IoT operates on spectrum guard bands, which T-Mobile describes as the network equivalent of driving down the shoulders on the highway. It is a low power, wide area network (LPWAN) LTE-Advanced technology boasting low power usage, long battery life and low device cost. T-Mobile was also first to trial NB-IoT in the U.S....