Here’s a complete feature overview of the Wireless LAN 802.11n USB 2.0 adapter, commonly found in low-cost Wi-Fi dongles.
Visit: https://www.realtek.com/Download/List?cate_id=584 (Search “8188FTV” on page) Driver Realtek Rtl8188ftv Wireless Lan 802.11n Usb 2.0
This is very common with the RTL8188FTV because it is a USB 2.0 device. Windows sometimes tries to save power by turning off the USB port. Here’s a complete feature overview of the Wireless LAN 802
If you need stable 2.4 GHz connectivity for a headless server or a retro PC, the RTL8188FTV does the job. If you need speed, range, or 5 GHz, look elsewhere (e.g., RTL8812AU for AC1200 or MT7921 for Wi-Fi 6). or 5 GHz
sudo nano /boot/config.txt