Get ready for another major wireless network upgrade. The next mainstream iteration of mobile networks, called ‘5.5G’ or ‘5G Advanced,’ is coming, and carriers around the world are getting ready. Fret not, they are still working on 6G for the future, too, but this upgrade is about more speed and reliability. Representatives from industry giants such as Telefonica, Deutsche Telekom, AT&T, Verizon, and Vodafone attended the Mobile World Congress in Barcelona, Spain and talked to CNBC, discussing the ins
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