"So, today we released a revision to that guidance to clarify that our instructions were narrowly-focused on modifications that would take a device out of compl

"So, today we released a revision to that guidance to clarify that our instructions were narrowly-focused on modifications that would take a device out of compliance." With the advent of software defined radio, how is it even possible to draw such a line between the part of firmware "that can take a device out of compliance" and the part of firmware that cannot?