News

（By Doris）China Telecom would take the lead among global operators in large-scale commercial 5G SA network, and build new infrastructure core facil...

（By Doris）China's optical fiber user penetration in the world's first: operators to promote gigabit broadband prices continue to fall

（By Doris）In 1970, the world was on the verge of a data and communications explosion.

(By Doris) Wireless intelligent control innovation: Promote the deep integration of DICT and 5G wireless network

（By Doris）Wireless intelligent control innovation: Promote the deep integration of DICT and 5G wireless network

（By Doris）5G cloud station can be widely integrated with industry applications.

（By Doris）Openness is an important feature of 5G networks.

(By Doris) The three-day China International Information and Communications Exhibition 2020 ended on Saturday.

（By Doris）Although 5G speed is much faster than 4G, but 5G signal attenuation is difficult to go through the wall, indoor and outdoor "double heaven".

After years of development, standardized and pluggable optical modules have become the inevitable choice of optical communication line side service...

（By Doris）With the introduction of 400G optical modules, the interconnection of data centers is also gradually developing towards 800G Ethernet.

（By Doris）This paper will focus on introducing the definition, influence and development trend of 400ZR.