2022
https://www.cyberciti.biz/tips/linux-find-out-wireless-network-speed-signal-strength.html
    lspci
    lspci | grep -i broadcom
    lspci | grep -i wireless
    lspci | egrep -i --color 'wifi|wlan|wireless'
    lspci -vv -s 0c:00.0
    lspci -k | more
    sudo lshw -C network
    iwconfig wlan0
    watch -n 1 cat /proc/net/wireless