Install wireless-tools by entering the following commands in the terminal:
sudo apt update sudo apt install wireless-tools
Description:
Tools for manipulating Linux Wireless Extensions
This package contains the Wireless tools, used to manipulate the Linux Wireless Extensions. The Wireless Extension is an interface allowing you to set Wireless LAN specific parameters and get the specific stats.
Homepage: http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/Tools.html
Version: 30~pre9-12ubuntu1
Section: net