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.