(FILES) In this file photo taken on January 28, 2020 a person poses holding a mobile telephone the camera showing a sign advertising 5G mobile telecommunication in a shop in London.  Britain is hoping to negotiate a comprehensive free-trade agreement with the United States after Brexit, but a number of thorny issues stand in the way. / AFP / Justin TALLIS
A sign advertising 5G mobile telecommunication in a shop in London. Britain is hoping to negotiate a comprehensive free-trade agreement with the United States after Brexit, but a number of thorny issuShow more

In the 5G era, China has taken the lead as the West has failed to keep up




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