MediaTek (which absorbed Ralink) stopped updating the RT286x series around 2014. The last official driver packages date to Windows 8. There is for hk.t.rt2861v09 , though community-modified drivers exist (with varying stability).
The is a high-performance, universal Android smart TV motherboard designed primarily for 4K LED televisions. It is often found in brands like Cello , Ferguson , and LAD . Core Specifications Resolution Support : Native 4K UHD support. hk.t.rt2861v09 firmware