This echos the FCC rules in the US, which I believe are gotten around by not complying. Even if you are not making an intentional radiator, and/or are using datasheet-specified layouts or modules, you still must comply, which makes these businesses non-viable if complying. I believe Adafruit gets around certifying every device by declaring themselves a cellphone company and being on good terms with regulators. This i…
Imagine making a mod for a video game, and to legally cover your ass, go through months of testing that cost $250,000.
Talk about killing a project in the cradle.
On the flip side, there are engineers who absolutely do not give a fuck, and will design their product with zero regard for emissions. To them the world is "If it's not illegal, then I cannot comprehend why I cannot take it to the extreme".