5G has officially arrived, and as the new comes in, the old goes out – and that’s as true for networks as for anything else. The 3G network sunset is the turning off of those networks, as mobile network operators shift spectrum, the lifeblood of cellular, to 4G LTE and 5G. Why are operators making this change? So that they can re-use their 3G spectrum holdings to add more capacity on their LTE networks as well as to expand their 5G networks. That means challenges ahead for internet of things devices which rely on 3G connectivity.
