Ask HN: What are the risks of radio frequency fields?
My friend&#x27;s rooftop has a cell tower on it. The door leading to the roof has a sign that states: &quot;Radio frequency fields beyond this point may exceed the FCC general public exposure limit. Obey all posted signs and site guidelines for working in radio frequency environments.&quot;<p><i>Rule(S) 47 CFR 1.1307(b)</i><p>Can anyone tell me the dangers associated? Should I not go on the roof at all?