1config BR2_PACKAGE_WIRELESS_REGDB 2 bool "wireless-regdb" 3 help 4 Wireless regulatory database. 5 6 Wireless regulatory database. The database lists the 7 allowed radio frequencies for each local jurisdiction. 8 9 Since linux-4.15 the kernel supports loading the files 10 regulatory.db/regulatory.db.p7s directly from the 11 /lib/firmware directory, for earlier versions the crda helper 12 application is needed. 13 14 https://wireless.wiki.kernel.org/en/developers/regulatory/wireless-regdb 15