> In the exempt section everything is called a "digital device". This seems > odd. What about analog emissions like AM or FM? > > Tom > The sections I listed were for unintentional radiators. If you intend to radiate (transmit), other sections apply. The home-built exemption applies ( http://www.hallikainen.com/FccRules/2015/15/23/ ). http://www.hallikainen.com/FccRules/2015/15/201/ requires devices to be "verified" or "certificated" for compliance. Browse through http://www.hallikainen.com/FccRules/2015/15/ where general requirements, unintentional radiator requirements, and intentional radiator requirements are listed. Good luck! Harold --=20 FCC Rules Updated Daily at http://www.hallikainen.com Not sent from an iPhone. --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .