Kernel.org: 5.1.10
sid (unstable): 4.19.37-3
buster (testing): 4.19.37-3
stretch (stable): 4.9.168-1+deb9u2
jessie (oldstable): 3.16.68-1

Debian GNU/Linux device driver check & report

DELL: Studio XPS 13

PCI IDWorks?VendorDeviceDriverKernel
168c002aYesAtheros Communications Inc.AR928X Wireless Network Adapter (PCI-Express)ath9kv2.6.27-
PCI IDWorks?VendorDeviceDriverKernel
168c002aYesAtheros Communications Inc.AR928X Wireless Network Adapter (PCI-Express)ath9kv2.6.27-