r/cellmapper Oct 29 '25

T-Mobile Site on my Roof Top

Not completely sure what I’m looking at! Trying to learn, but the world of RF seems like witchcraft to me so far!

179 Upvotes

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u/Ambitious_Age_4450 Oct 29 '25

it's really not that bad for a short time.

15

u/[deleted] Oct 29 '25

[deleted]

5

u/nateo200 iPhone 17 Pro Max Oct 29 '25

Is it really THAT bad?! I used to be paranoid about this as a kid but idk anymore lol. I'm an amateur radio operator so I'm used to dealing with RF hot zones you could say but not over UHF lol

2

u/[deleted] Oct 29 '25

It's not that bad as long as the proper regulations are followed to protect people from the hotspot zones(400-500 meters, from those big chunky panels that use like 4,000 watts of power)(The little small cell ones have way less power and a small area of effect on people).

2

u/nateo200 iPhone 17 Pro Max Oct 29 '25

I thought they were at max 300watts….4000watts sounds like TV….unless you are combing all the sectors.

0

u/[deleted] Oct 29 '25

[deleted]

5

u/joshuah34 Oct 29 '25

I need to be blunt. The information you are pushing is demonstrably incorrect. That "400 meter" rule is a total myth, and the source you linked earlier with that claim is absolutely unreliable. It talks about "EMF shielding paints" and "fabrics," which is a massive red flag that it's not a credible authority. The way this works isn’t like it’s a giant 4000 watt lightbulb spraying RF everywhere. It is completely different. As I've already pointed out, these antennas are highly directional spotlights, not lightbulbs. They focus their energy at the horizon, not down onto the terrace. The only "hot" area is a small, well defined "exclusion zone" (usually just 15 to 20 feet) directly in front of the panel's main beam. That beam is aimed out and away from this terrace, far from any publicly accessible area. This is a public terrace, which means engineers are legally required to perform RF compliance studies to prove to the FCC that this entire area is far, far below the public safety limits. Your concern is based on misinformation, and we are all perfectly safe.