新闻资讯

Every second of a rocket launch leaves no room for communication failure—from status reporting at the launch pad to…

Recently, Beijing Ruiguang Jiyuan Digital Technology Co., Ltd. (hereinafter referred to as "Raytrans") officially passed the…

Recently, the Beijing Municipal Bureau of Economy and Information Technology released the list of specialized, refined…

SDH Optical Terminal Video. Industry news and product updates from Beijing Ruiguang Jiyuan Digital Technology Co., Ltd., covering communication transmission and emergency command dispatch.

China Water Resources News, Ministry of Water Resources of the People's Republic of China Website

Dear Customers: Hello! Thank you for your long-term support and cooperation. Here…

Elevator five-party intercom refers to the communication among five parties in the elevator intercom system…

Known in Chinese as Pulse Code Modulation (PCM), proposed by A. Reeves in 1937, this concept laid the foundation for…

Below, using the Five-party Intercom Optical Terminal as an example, we will provide a detailed introduction.

Facing the upcoming Fourth Industrial Revolution, it has become unprecedentedly important to drive the development of…

The three-day '2017 World Optical Fiber and Cable Conference' has come to a successful conclusion.

On January 2, 2018, at the start of the new year, Raytrans' overseas marketing department delivered good news.

The Ministry of Commerce announced today that, based on the recommendation of the investigating authority…

According to foreign media reports, IEEE and the IEEE Standards Association have recently published IEEE 802.3bz-2016…

According to Indian media reports, Chinese telecom equipment manufacturer Huawei is in negotiations with several…

From the rugged ravines of the Northern Shaanxi Plateau to the rolling Liupan Mountains…

At the main forum of the 2017 China Mobile Global Partners Conference held today…

The Internet of Things is regarded as an important strategic layout for operators in the future…

Recently, the first China Rural Entrepreneurship and Innovation Forum was held in Suzhou, Jiangsu.

The Internet has entered an era of massive traffic, massive connectivity, and wide interconnection.

Despite a history of only half a century, optical fiber, with its excellent performance such as large capacity, low loss…

Chunghwa Telecom Laboratories in Taiwan and NTT signed a joint testing agreement.

My dad works in communications. Ever since I can remember, he has always been busy.

On September 7, 2017, Mr. Li, General Manager of the Zhengzhou Branch, visited the head office to meet with Mr.