How Vodafone hopes to spur IoT growth by expanding Narrowband-IoT network At MWC Americas 2018, TechRepublic spoke with Ludo Fassati, Head of IoT in the Americas at Vodafone about the company's plans to expand it's LPWA Narrowband-IoT (NB-IoT) network, which is designed to affordably and securely connect IoT devices, even underground or underwater.