GNU/Linux Fedora 34 Installing Broadcom Driver without Internet
How to Install Broadcom Wireless Driver on Fedora 34 without Internet Access.
Most noteworthy: to achieve this Setup you simply need any Online Computer with a Browser and a USB Stick to Copy the downloaded Packages.
But if you dispose of an Android Mobile Phone with Internet Acces, then an Easier Solution should be of using it! See: Internet Connection USB Tethering Guide.
Especially relevant: the Fedora 34 bcmwl-kernel-source Driver Supports the following Broadcom Wireless Chipsets:
- BCM4311
 - BCM4312
 - BCM4313
 - BCM4321
 - BCM4322
 - BCM43142
 - BCM43224
 - BCM43225
 - BCM43227
 - BCM43228
 - BCM4331
 - BCM4352
 - BCM4360
 
Finally, for BCM4306, BCM4309, and BCM4318 after the Required Packages setup see instead: B43 Wireless Driver.
Broadcom Wireless Driver Fedora 34 Installation Guide