Many users assume a generic “Realtek Wi-Fi driver” will work. This is a mistake. The requires a specific driver package because:
# Example for Ubuntu/Debian using a community driver sudo apt update sudo apt install git dkms build-essential git clone https://github.com/kelebek333/rtl8188fu cd rtl8188fu sudo ./install.sh sudo modprobe 8188fu Driver Realtek Rtl8188ftv Wireless Lan 802.11n Usb 2.0
Since this is a 2.4GHz device, it is susceptible to interference from microwave ovens, cordless phones, and neighboring Wi-Fi networks. Ensure the adapter is plugged into a USB 2.0 or 3.0 port that isn't obstructed by the metal casing of a PC tower. Using a short USB extension cable can often improve signal reception significantly. Driver Signature Errors Many users assume a generic “Realtek Wi-Fi driver”
Visit: https://www.realtek.com/Download/List?cate_id=584 (Search “8188FTV” on page) Driver Realtek Rtl8188ftv Wireless Lan 802.11n Usb 2.0