crda 3.18-1 (amd64 binary) in ubuntu bionic

 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.