Experimental Nail-Sized Chip Transmits Over 100 Gigabits Per Second, Operates Across Entire Wireless Spectrum and Promises to Revolutionize Mobile Internet Based on 6G.
Researchers from China and Hong Kong announced the creation of an experimental photonic-electronic chip that could change the course of mobile internet. The device, measuring just 1.7 x 11 mm, is the size of a fingernail and was able to transmit data at speeds exceeding 100 gigabits per second. According to estimates, this is 10,000 times faster than the currently available 5G connections.
The study was published in the journal Nature and is already seen as one of the most promising advances for the consolidation of 6G technology, expected in the next decade.
How the New Chip Works
The chip’s main advantage is its ability to operate across the entire wireless frequency spectrum, between 0.5 and 115 gigahertz. In practice, this means that devices equipped with the technology can automatically switch between different bands to maintain a stable connection.
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This feature is essential in high-demand environments, such as:
- Crowded Stadiums
- Dense Urban Centers
- Difficult-to-Access Rural Areas
The innovation addresses one of the biggest challenges of 6G: how to utilize different frequency bands without needing multiple hardware components.
Photonic-Electronic: The Fusion of Light and Electricity
The secret of the chip lies in an approach called photonic-electronic. While traditional circuits use only electricity, this system also incorporates light signals, creating a more stable device with less noise and a greater range of frequencies.
The process works like a bridge:
- Radio waves are converted into light signals;
- These signals are processed by ultrafast modulators;
- Then, they are converted back into wireless data.
Professor Wang Xingjun from Peking University compared the system to a multi-lane highway. Previously, signals were limited to a few lanes; now, they can switch lanes as needed, avoiding congestion.
Advantages Over 5G
Current 5G networks primarily operate below 6 GHz, with limited use of millimeter waves. Although they offer high speeds, their range is still restricted. The new chip, on the other hand, covers the entire wireless spectrum in a single system.
This eliminates the need for separate antennas and components for each frequency band.
A single device will be able to access both long-range signals for rural areas and the ultrafast bands needed in large cities or critical applications, such as remote surgeries.
More Stable Connection in Any Scenario
Among the main advantages of the technology are:
- Record Speed: over 100 Gbps in laboratory tests.
- Flexibility: real-time switching between different frequencies.
- Stability: lower risk of interference and disruptions.
- Adaptation: ability to adjust to high-traffic scenarios, such as concerts and sporting events.
The result is a faster, more stable, and adaptable mobile internet, capable of catering to everything from 8K Streaming to emergency communications in remote areas.
What Still Needs to Happen for 6G to Become a Reality
Despite its potential, the chip is still in the experimental phase.
So far, tests have only been conducted in laboratory settings. To reach the market, it will be necessary to develop the entire 6G infrastructure, something projected only for the next decade. Additionally, scientists are working on:
- Further miniaturizing the device;
- Reducing energy consumption;
- Integrating artificial intelligence (AI) algorithms for networks to self-manage.
The idea is for the system to automatically choose the optimal frequency, avoid interference, and even combine communication with environmental sensing in real time.
Future Impact: Smarter Mobile Internet
If successful, the technology could become the basis for a new era of connectivity.
6G will not only be faster: it should integrate functions such as Extended Reality (XR), Autonomous Cars, Smart Cities, and even Interactive Holograms. In this scenario, the Chinese chip emerges as a central piece to make mobile networks:
- Faster
- More Reliable
- Smarter
And, above all, capable of keeping up with the growing demand for data in a hyperconnected world.

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