Is 5G more dangerous than 4G?

Most of what carriers sell as 5G runs on the same frequencies 4G has used for years, and the exposure limits set by the FCC and ICNIRP cover the entire range including the new high band. The honest answer is that 5G is not a new kind of energy, it is a denser network, and the device in your hand is still the strongest source in the room.

5G is three different things wearing one name

This is the part almost nobody explains, and it is the reason the conversation gets confused.

Low band 5G runs around 600 to 900 MHz. That is the same neighborhood as older cellular service and broadcast television. Mid band, which is what most people actually connect to, sits roughly between 2.5 and 3.7 GHz, the same general range as your wifi router. High band, the millimeter wave everyone argues about, lives up around 24 to 47 GHz.

When someone says they got 5G in their town, they usually mean low or mid band. Millimeter wave is rare, expensive to deploy, and mostly found in stadiums, airports, and a few dense downtown blocks.

Millimeter wave is the genuinely new part

It is also the part that behaves least like what people fear.

Higher frequency energy does not travel well and does not pass through things. Millimeter wave is stopped by walls, windows, rain, and leaves. When it does reach a person, absorption is largely confined to the outer layer of skin. Published figures put penetration at the very top of the range at a fraction of a millimeter, while lower frequencies penetrate considerably deeper into tissue.

So the frequency went up, and the depth went down. Whatever the open questions are, "it goes deeper into you" is not one of them.

What the science says, plainly

The ICNIRP guidelines published in 2020 cover 100 kHz through 300 GHz and were written with 5G explicitly in view, including the millimeter wave bands. In the United States the FCC sets maximum permissible exposure for the general public, on the order of 580 microwatts per square centimeter in the bands where much of this operates.

Measurement studies are the useful part. In-situ work around 5G macro base stations in the UK found total radiofrequency levels well within the public reference levels, with 4G downlink still the dominant contributor and 5G averaging under 10 percent of the total.

We will not pretend the file is closed. In 2011 the IARC, the cancer research arm of the World Health Organization, classified radiofrequency electromagnetic fields as a Group 2B possible human carcinogen, meaning evidence worth studying rather than proof of harm. The NTP 2018 studies from the US National Toxicology Program found some evidence of tumors in rats exposed to RF at levels well above ordinary use. Both looked at 2G and 3G signals. Neither studied millimeter wave.

More antennas, less power each

The scary version of this story is the small cell on the light pole at the end of your street. Here is the trade-off nobody mentions.

A traditional macro cell sector runs on the order of 40 watts per carrier, often around 120 watts across carriers, from a tower a long way off. A small cell is a fraction of that, sometimes by orders of magnitude, from a box much closer. Denser networks also mean your phone has an easier time reaching the network, and a phone with good signal transmits at lower power than one straining for a bar.

More antennas is not automatically more exposure. It is a different distribution of it.

The loudest thing in the room is still in your pocket

Research on 5G networks keeps landing on the same conclusion: the handset dominates personal exposure, not the infrastructure.

That is not a surprise once you say it out loud. The tower is hundreds of feet away and field strength falls off sharply with distance. The phone is two inches from your leg, or against your head, for hours a day. No rollout changes that arithmetic.

Which means the practical answer to 5G is the same practical answer as everything else we write about. Distance, time, source strength. The three principles do not care what the network is called.

What a sticker can and cannot do here

BioHarmonize stickers are made for phones and personal devices. What a sticker does not do is change which band your carrier is using, alter your phone's transmit power, or reach the small cell on the pole outside, and we are not going to imply otherwise. The habits below are free, and they are the substance of this one.

What to do this week

Check what your phone is actually connecting to. Most handsets show the band in the status bar or under settings, cellular, network. Two minutes, and it replaces a rumor with a fact about your own street.

Then do the one thing that works regardless of the answer. Keep the phone off your body when you are not using it, and use speaker or wired headphones for long calls. That is worth more than any opinion about 5G.

Optimize your environment. Unlock your potential.

Yarden and Jessica