lspci -knn | grep Net -A2
3a:00.0 Network controller [0280]: Broadcom Corporation BCM4350 802.11ac Wireless Network Adapter [14e4:43a3] (rev 08)
    Subsystem: Dell BCM4350 802.11ac Wireless Network Adapter [1028:0023]
    Kernel driver in use: brcmfmac
    Kernel modules: brcmfmac