The third-generation Reno flagship is currently projected to come in 5G flavor. This is due to leaks hinting at a next-generation Snapdragon processor that has this connectivity on-chip. Furthermore, it may be joined in its series by at least 1 more phone with an equally 5G MediaTek SoC.
https://www.notebookcheck.net/OPPO-s-Reno-3-Pro-may-come-with-cheaper-yet-still-5G-powered-variants.446165.0.html