Windows 10’s driver philosophy is "one size fits all." For the RT3090BC4 V20a, that fails spectacularly.
Do not let the long string confuse you. This is a single-band (2.4 GHz) 802.11n Wi-Fi adapter. The "V20A" suffix refers to a specific hardware revision (Board ID) used primarily by Lite-On and Foxconn for OEM laptops. Ralink Rt3090bc4 V20a Driver Windows 10 -UPD-
The is a combination Wi-Fi (802.11b/g/n) and Bluetooth adapter often found in older laptops from HP, Lenovo, and Acer. Because Mediatek acquired Ralink, official support has largely ended, but drivers are still available for Windows 10 through alternative repositories and the Microsoft Update Catalog. Driver Specifications & Versions Windows 10’s driver philosophy is "one size fits all