Not certified by the FCC does not mean not tested. If you’re an engineer, I’m sure you’ve tested plenty of things that you didn’t get “certified” by some regula

Not certified by the FCC does not mean not tested. If you’re an engineer, I’m sure you’ve tested plenty of things that you didn’t get “certified” by some regulator. The only reason to go through such expensive regulatory certifications is that you believe you have a legal obligation to.