China approves 6GHz band trial spectrum for 6G development news.cgtn.comCN MIIT Approves Frequency for 6G Mobile Communication System Technical Trials AASTOCKS.comChina approves 6G trials as it eyes $147B market by 2035: report SDxCentralChina advances 6G ambitions with 6GHz trials Mobile World LiveNation OKs real-world 6G trials China Daily