GNU/Linux CentOS 7 Realtek rtl8821AE Driver Installation Guide
Hi! The linked Tutorial Shows You Step-by-Step How to Install Realtek rtl8821AE Wireless Driver in CentOS 7 GNU/Linux.
And the Realtek rtl8821AE CentOS 7 Driver Installation is Quick & Easy, involving at most the execution of some Basic Shell Commands.
Most noteworthy: please be aware of how this Driver is Not supporting all the Linux Kernels range, so in case of issue consult the available Online Documentation.

Installing Realtek rtl8821AE Driver CentOS
How to Install Realtek rtl8821AE Wifi Driver in CentOS 7
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