Painting a wall a novel color is a new, unstudied EM radiation exposure.
("Assume safety and viscously attack anyone who suggests otherwise" has some advantages, though.)
Because we were wrong in the past about some things, I'm going to make the claim without evidence that visible light kills. Everyone who has ever died of cancer was exposed to visible light for very long periods of time. Don't expose yourself!
Can you link to a scientific study that proves anything is completely safe? Ironically more money has been spent proving electromagnetic radiation and vaccines are safe than most naturally occurring substances, because the public is paranoid about those things/it is a "sexy" area of research.
They've literally put animals into cages and exposed them to 1000%+ levels of typical EM exposure, and still not witnessed this supposed cancer link. But science cannot say anything is "completely safe" because that isn't how logical reasoning or the scientific method work. All we can say is that a mechanism of unsafety has yet to be discovered.
Would you be able to share some scientific research that supports the idea that the proposed antennas are completely, without-a-doubt safe? (I assume that's what you're implying by your statment.)
Edit: ok, forget that I used the words 'completely' and 'without-a-doubt' which causes a knee-jerk reaction amongst the armchair epistomologists here. How about just evidence in general that suggests that they're safe?
edit edit: my apology if the phrase 'knee-jerk reaction amongst the armchair epistomologists' rubbed anyone the wrong way. just being snarky but perhaps wasn't helpful to the conversation.