GNU/Linux Fedora 30 Realtek rtl8192de Driver Installation Guide
The linked tutorial shows you step-by-step How to Install Realtek rtl8192de Wireless Driver in Fedora 30 GNU/Linux – Step by step Tutorial.
And the Realtek rtl8192de Fedora 30 Driver Installation is Quick & Easy, involving at most the execution of some Basic Shell Commands.
Finally, if you have Different Card then See this Other Guide: How to Install Realtek Wifi Drivers on Fedora.

Installing Realtek rtl8192de Driver Fedora
How to Install Realtek rtl8192de Wifi Driver in Fedora 30
Here Fedora Realtek rtl8192de Installation