All you need to know to understand 5G
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From someone who has been in the industry a long time this seems like a fair analysis. The simple fact is it's not necessary to do any sort of long term testing on the human effects of millimeter wave, as up until now there was just no useful purpose for that spectrum for the most part. Anyone giving an absolute answer either way is just lying.
Myself, I'm not super bothered by it. Although I'm way more than happy enough with existing LTE service quality anyway. Those frequencies penetrate damn near nothing at the lower power.
Something else that was sort of touched on, if you are worried about it--then the real risk is your phone anyway, not the tower. Bear in mind that for two-way communication to work the phone has to talk back to the tower and it uses the same frequencies. It's also actually close to your body.
I've read scare tactics with respect to how much power towers draw, but that's mostly processing equipment. Not just the RF gear, there's a lot of computing power. Just think of how crazy a graphics card has gotten compared to 20 years ago. Then think of that translated into some equipment that costs hundreds of times more and is essentially a bunch of specialized CPUs that turn electricity into heat. There is a ton of this type stuff that supports 5G. The actual power the RF interface uses is so small it's negligible.
The first 3/4s is accurate information, but then she starts concern trolling about her own personal ignorance. Electromagnetic radiation is the simplest thing in the universe - there is no room for these "God of the Gaps" excuses to fearmonger.
It's not necessary to do any sort of long term testing on the human effects of low intensity millimeter wave because there are no long term effects to test. The photons aren't energetic enough to be ionising, there aren't enough of them to cause chemical reactions via heating, and - this is the part she leaves out - the resulting energy dump dissipates as quickly as it is added. And even if none of that was true, we have already studied our constant exposure to higher quantities of far more energetic radiation and we have studied exposure to far higher quantities of this type of radiation - both pulsed and unpulsed. Chinese companies keeping tabs on transmissions through Chinese-built hardware is a valid concern; the smaller cells being used for higher resolution tracking of linked hardware is a valid concern, but anyone who thinks the transmissions themselves are a potential threat is at best an ignorant layman and at worst a liar or incompetent.