Kernel.org: 5.2.1
sid (unstable): 4.19.37-5
buster (testing): 4.19.37-5
stretch (stable): 4.9.168-1+deb9u3
jessie (oldstable): 3.16.68-2

Debian GNU/Linux device driver check & report

Acer: ASPIRE 7736Z-4015

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