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

Lenovo: B490

PCI IDWorks?VendorDeviceDriverKernel
14e44365Broadcom CorporationBCM43142 802.11b/g/n