OnePlus co-founder and CEO Pete Lau said that the company's upcoming launch will see the complete lineup supporting 5G. While the top-tier OnePlus 8 Pro and OnePlus 8 variants are confirmed and will have 5G support, it is not yet clear whether the purported OnePlus 8 Lite variant would feature 5G given the higher costs of implementing the standard.
https://www.notebookcheck.net/OnePlus-will-do-a-Samsung-and-unveil-a-full-5G-lineup-for-its-upcoming-launch.457224.0.html