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Home / News / Next Big Thing – super-fast terahertz Wi-Fi

Next Big Thing – super-fast terahertz Wi-Fi

Scientists have gone and done it again, with the new frontier of wireless data transfer looking to be in the gigabyte per second region

Faster Wi-Fi you say. How’s that then?

Scientists have cracked a high frequency terahertz band for Wi-Fi transmission that will mean speeds 20 times higher than current abilities. The range goes from 300GHz to 3THz which, in English, means these T-rays sit between microwaves and the far-infrared spectrum.

Did you say microwaves? Isn’t that dangerous?

They’re not X-rays so don’t fret. Although they do share the similar ability to penetrate materials just as well, except T-rays deposit less energy meaning less damage caused. And, with data rates of up to 3Gb/s achieved already, Wi-Fi of the future could be the end of data wires once and for all.

What’s the catch?

At the moment they’ve only managed to send the messages up to 10 metres in range, so it’s not a 4G replacement. But for your in-home router that’s plenty, and thanks to a resonant tunneling diode that enhances the signal to the terahertz band, it can be done affordably now too.

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Profile image of Dan Grabham Dan Grabham Editor-in-Chief


Dan is Editor-in-chief of Stuff, working across the magazine and the Stuff.tv website.  Our Editor-in-Chief is a regular at tech shows such as CES in Las Vegas, IFA in Berlin and Mobile World Congress in Barcelona as well as at other launches and events. He has been a CES Innovation Awards judge. Dan is completely platform agnostic and very at home using and writing about Windows, macOS, Android and iOS/iPadOS plus lots and lots of gadgets including audio and smart home gear, laptops and smartphones. He's also been interviewed and quoted in a wide variety of places including The Sun, BBC World Service, BBC News Online, BBC Radio 5Live, BBC Radio 4, Sky News Radio and BBC Local Radio.

Areas of expertise

Computing, mobile, audio, smart home