An extensive strand of recent research at Transforma Insights has focused on Communications Service Providers (CSPs) and their activities in IoT. Episode 6 of the Wireless Noodle is the first of two episodes that focus on this topic. This one looks at the changing face of mobile networks, and the added complications from the arrival of 5G, the roll out of new Low Power Wide Area Networks, and the shutting off of 2G and 3G networks.