Since the early days of open SDR these devices have been sold as test equipment which does not require onerous type approvals or certifications by the manufacturer or importer. The FCC now seeks to change this
https://www.federalregister.gov/articles/2015/08/06/2015-18402/equipment-authorization-and-electronic-labeling-for-wireless-devices#h-13 and require product features which block software changes after manufacture. This, of course, is the very heart of SDR and its prohibition would be nothing short of effectively banning SDR and any open source experimentation with RF signal processing beyond the theoretic. WW
