NixOS-Config/modules/system/devices/networking/wireless/default.nix

{ pkgs, ... }:
{
  networking = {
    wireless.iwd.enable = true;
    enableB43Firmware = true;
  };

  environment = {
    persistence."/persist".directories = [ "/var/lib/iwd/" ];
    systemPackages = with pkgs; [ unstable.impala ];
  };
}