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Review of Linux Compatibility
The Edimax EW-7811UTC is a WiFi USB stick, which supports connections according to IEEE 802.11ac standard but also 802.11n connections. The small USB adapter bases on the Realtek RTL8811AU and has the USB ID 7392:a811
Bus 001 Device 005: ID 7392:a811 Edimax Technology Co., Ltd
The stick is recognized by the Linux kernel in the following way:
usb 1-1.2: new high-speed USB device number 4 using dwc_otg usb 1-1.2: New USB device found, idVendor=7392, idProduct=a811 usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-1.2: Product: 802.11n WLAN Adapter usb 1-1.2: Manufacturer: Realtek usb 1-1.2: SerialNumber: 00000000000
but currently no driver is included in the standard kernel for this stick.
However, a open source driver is available from github, and can be installed (under Ubuntu) in the following way (assumed that all buid-essentials were already installed):
sudo apt-get update sudo apt-get install linux-headers-generic build-essential git git clone https://github.com/gnab/rtl8812au.git cd ~/rtl8812au make sudo make install sudo modprobe 8812au
This compiles, installs and loads the 8812au kernel module, which supports the Realtek RTL8811AU chipset.