Tianjin Communication & Broadcasting Corp (TCB), Established in 1936, is one of the earliest large-scale comprehensive electronic leading enterprises in China. As the first-class national enterprise, TCB 712 is one of Top 100 China electronic corporations. We own more than 70 years experiences of communication products. And we possess the technical strength, advanced production equipment, environmental laboratory at the national level, and other high level infrastructures. The development of products will focus on technological innovation, and provide reliable guarantee of quality, enjoy good reputation at home and aboard markets.
TCB 712 is the appointed base for R&D and production by Ministry of Railway. More than 40 varieties of railway communications equipment have been developed by our company and widely used in many railway lines in our country. In recent years, we have developed the Urban Mass Transit Communication Systems, Wireless Dispatch Command System, GSM-R digital mobile communication equipment and AIS, etc.
The first set of analogue trunk system was imported by our company in 1995. So far, our service has covered nearly 20 provinces and cities. We dived into the development of dedicated TETRA digital trunk system and terminal samples used in government agencies from 2004 and the production reached large scale in 2007. Now we already have multiple users in big enterprises, rail transportation, mines and other fields.
We will always be committed to the TETRA digital trunk system innovation and development, to provide a perfect system solution for you!
Application Case__ Synthesis
STX Dianlian Dockyard Wireless Dispatching System
This system, consisting of one switching control center, one 8 BSR and 3000 terminals, is mainly responsible for communication of daily production, instruction, dispatch and emergency command.
For production in dockyard, this system plays a very important role. It not only improves production efficiency but also reduces production danger.
Special Emergency Commanding System
Tianjin 712 communication & Broadcasting Co., Ltd has successfully designed and sold many units of communication systems especially used for emergency commanding.
Tianjin Water Conservancy Bureau Hydrology Alarm System
In 2002, using TETRA transmission equipment fault alarm information, we finished Tianjin water conservancy bureau hydrology alarm project.
Tianjin Water Conservancy Bureau Hydrology Data Transmission System
In 2001, using TETRA technology transmitting hydrology data to control center, we finished Tianjin water conservancy bureau transmission project.
Zhunger Mine Production Dispatching System
It's mainly used for production dispatching and emergency communication. And this is the first time for TETRA used in mine area which successfully opens a new application area for TETRA and also provides strong guarantee for dispatching.
Application Case__ Urban Mass Pransat
Chongqing Elevated Railway Project-Line 2 And Its Extend Line
One unit of wireless communication equipment and 46 mobiles have been used in this project, witch is with 19km long railway and has 18 stations, one control center and one fault find center.
This project, a very important part of Chongqing elevated railway, has been put into use since 2004. And fact shows the equipments are in good and stable performance. It is the first line in Chongqing metro system.
Chongqing Elevated Railway-Line 3
First period of Chongqing elevated railway line 3 is 20.2 km long, witch includes 18 stations and one control center. In this project our company provides wireless coverage, second-developed CAD server, second-developed mobile control unit and station control unit.
Shanghai Subway Line 1 Project
In April, 2003, we completed communication system reconstruction of north extended part of Shanghai Subway Line 1.
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