systemd-rfkill@.service, systemd-rfkill — Load and save the RF kill switch state at boot and shutdown
systemd-rfkill@.service
/usr/lib/systemd/systemd-rfkill
systemd-rfkill@.service is a service
    that restores the RF kill switch state at early boot and saves it
    at shutdown. On disk, the RF kill switch state is stored in
    /var/lib/systemd/rfkill/.