What is your source? Did you just randomly pull quotes from a couple of sources without any attributions or did you do the testing?
Source for what? The FCC limits? That would be the FCC. Or the graph above? I showed and linked it earlier in this thread, I assumed someone who read to the second display of the graph would have seen and read the first display.
I assume the rest of my post is redundant and not required for anyone with an EE background.