The 5G will allow, in short, to have more connected devices. Something especially necessary considering that 1,400 million people will start using 5G mobile Internet in the next seven years, which will bring the total number of mobile Internet subscribers worldwide to 5,000 million in 2025. But not only mobile. Cars, traffic lights, computer security appliances, watches, pacemakers, robots, sensors ... Cities. Under the cover of the Internet of Things (IoT) will be strongly boosted with global IoT connections tripling to 25 billion by 2025.