Edimax EW-7612UAn v2

Review of Linux Compatibility
Edimax EW-7612UAn is a USB WiFi stick, which is available in two different versions,
 * both of them using a different chipset and hence needing different drivers.

Version V1: 0bda:8172
The version V1 of the EW-7612UAn bases on the Realtek RTL8191SU chipset
 * and has the USB ID: 0bda:8172 :

Bus 001 Device 006: ID 0bda:8172 Realtek Semiconductor Corp. RTL8191SU 802.11n WLAN Adapter The stick is supported under Linux by the kernel module rtl819x.
 * Alternatively, the driver provided by Edimax for download can be used.
 * However, this driver has to be compiled and installed by hand.


 * EW-7612UAn (USB \ VID_7392 & PID_7612)

Version V2: 7392:7822
The version V2 of the EW-7612UAn bases on the RTL8192CU (RTL8192SU ?) chipset
 * and has the USB ID: 7392:7822 :

Bus 001 Device 006: ID 7392:7822 Edimax Technology Co., Ltd There is no driver integrated in the Linux standard kernel for this stick until now.
 * Therefore, one has to download the driver from the Edimax homepage.

The configuration and installation of the driver is explained in detail at blog.
 * The following steps have to be executed in order to install the RTL8192 driver: