Install crda by entering the following commands in the terminal:
sudo apt update sudo apt install crda
Description:
wireless Central Regulatory Domain Agent
This package provides a Central Regulatory Domain Agent (CRDA) to be used by the Linux kernel cfg80211 wireless subsystem to query and apply the regulatory domain settings wireless devices may operate within for a given location. . CRDA queries operational frequency regulations stored within the regulatory database provided by the wireless-regdb package.
Homepage: https://wireless.wiki.kernel.org/en/developers/Regulatory/CRDA
Version: 3.18-1build1
Section: net