kernel-firmware-iwlwifi from home:TrackMen:kernel-stable-backport:06.01.02 project
Select Your Operating System
Add repository and install manually
For 15.3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:TrackMen:kernel-stable-backport:06.01.02/15.3/home:TrackMen:kernel-stable-backport:06.01.02.repo zypper refresh zypper install kernel-firmware-iwlwifi