China Information and Communications Technology Group announced seven important scientific and technological innovation achievements

At the Science and Technology Innovation Conference, China Information and Communications Technology Group announced seven major scientific and technological innovation achievements, including C+L multi-band long-distance transmission system, second-generation submarine optical repeater, RIS new large-scale antenna transmission technology, C-V2X fusion intelligent driving domain controller, space optical communication narrow linewidth laser, 1.4Tbit/s silicon-based coherent optical chip and Tbit/s optical transmission processing chip.