Staff members work at an exhibition booth during a media preview of the 2022 World 5G Convention in Harbin, capital of northeast China’s Heilongjiang Province, Aug. 9, 2022. (Photo: Xinhua)China Broadcasting Network Corp (China Broadnet), the country’s fourth-largest telecom operator, officially launched commercial 5G network services in Southwest China’s Xizang Autonomous Region and Northwest Chi……

On September 22, Beijing time, Comcast, the largest radio and television cable network operator in the United States, announced that it will build its own 5G wireless network, which will adopt two major frequency bands, one is the CBRS frequency band, and the other is the 600MHz frequency band.This makes Comcast the first broadcast and cable TV network operator in the world to build a 5G wireless ……