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China begins large-scale delivery of gallium chips for space-ground 6G network

Critical to the planned communications system are millions of third-generation semiconductors that use a silicon-based platform

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Chips made from gallium nitride (GaN) are smaller and more powerful than silicon-based semiconductors. Photo: Shutterstock
Zhang Tongin Beijing
China has delivered 5 million gallium nitride semiconductors to power smart terminals for a space‑air‑ground integrated 6G network – the first time the cutting-edge chips have been mass-produced and put into commercial use.
According to an article in state media, the breakthrough chip was developed by the US-sanctioned No 55 Research Institute of China Electronics Technology Group Corporation (CETC) and its subsidiary, Nanjing Guobo Electronics.

China is the world’s largest holder and exporter of gallium and currently imposes strict end‑use‑based export controls on the rare metal and its oxides.

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The report, published last Thursday by the Science and Technology Daily, said the chips were “destined for commercial smart terminals, where they will build an integrated space-air-ground information network”. It did not specify the type of terminal.

“It will function as the fundamental backbone supporting next‑generation 6G communications, commercial space programmes, the low‑altitude economy, and emergency response communications,” the report said.

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Cui Kai, a communications industry analyst with IDC, a global market intelligence firm, said the chips could be used in high‑end smartphones or mobile law enforcement devices for satellite signal filling, supplementing coverage where cellular signals were lacking.

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