Home offices for surgeons, self-driving cars that communicate with their environment and the further development of the Internet of Things (IOT). These future prospects are united by the requirement of almost latency-free (1-10 milliseconds), large and secure transmission. The new mobile communications standard 5G combines these aspects. An insight into the different use cases of the 5G playground, the current status of the expansion and what concerns there are can be heard in our expert interview from OE1.