One of the companies showcasing at the Mobile World Congress is Israel’s Ceragon and its 5G wireless backhaul technologies. Commercial 5G services are expected to begin by 2020, bringing increased capacity, the Internet of Things (IoT) and machine to machine (M2M) solutions.
https://www.ceragon.com/about-us/media-center/news/item/1421-ceragon-showcases-5g-at-mwc-2016