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5G internet has been one of the biggest buzzwords in the tech world over the past few years. As the next generation of cellular technology, the faster speeds and lower latencies it offers promise to change everything from your phone to home internet to fields like self-driving cars and remote surgery. But there’s also been a lot of bad information, rumors, and outright bizarre conspiracy theories.

So: what is 5G? Well, as the name implies, it’s the fifth generation of cellular technology. 1G networks were the first cell networks back in the 1980s. 2G networks added basic data for things like SMS messages, which 3G internet expanded even more. And 4G LTE — which our phones currently use — offered truly fast mobile internet, making a whole range of applications like social media networks and streaming services possible on phones and tablets.

That’s because, fundamentally, 5G radio is in the same chunk of the electromagnetic spectrum as the rest of cellular data, which is all made up of non-ionizing radiation. That means that it all lacks the energy needed to remove electrons from atoms and degrade cells — the kind of damage that harmful radiation can cause up the spectrum.

Scientists can’t even think of a plausible reason of how cellphone radiation could cause cancer, seeing as it physically lacks the amount of energy to cause the types of harmful cell damage that people tend to associate with the word “radiation.”

And 5G — as established earlier — is in that same category of radiation as the cellphone technology we’re already using. It’s nowhere even remotely close to the level of energy needed to cause cellular damage.

5G promises to take things a step further, with faster speeds and latency that could put mobile internet on par with home Wi-Fi. But technologically, it’s very much an evolution of our current cellular technology. And the three different approaches to 5G in the US make those gradual changes really clear.

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