Kernel.org: 4.20.11
sid (unstable): 4.19.20-1
buster (testing): 4.19.16-1
stretch (stable): 4.9.144-3
jessie (oldstable): 3.16.59-1

Debian GNU/Linux device driver check & report

Acer: aspire 4535

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