车载接入单元(TAU)是自主研发的新一代车载宽带接入终端，专为地铁车地通信系统设计。产品支持5G或LTE两种网络制式，能够可靠承载地铁列控(CBTC)、视频监控(CCTV)和乘客信息系统(PIS)等关键业务。TAU具有高集成度、高可靠性及多业务支持能力，并借助单播、组播及冗余切换技术，保障数据传输的实时性、安全性与稳定性。是轨道交通车地传输的核心通信装备。
车载接入单元(TAU)是自主研发的新一代车载宽带接入终端，专为地铁车地通信系统设计。产品支持5G或LTE两种网络制式，能够可靠承载地铁列控(CBTC)、视频监控(CCTV)和乘客信息系统(PIS)等关键业务。TAU具有高集成度、高可靠性及多业务支持能力，并借助单播、组播及冗余切换技术，保障数据传输的实时性、安全性与稳定性。是轨道交通车地传输的核心通信装备。
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Tianjin 712 Mobile Communication Co., Ltd. is a core supplier in the field of dedicated wireless communication in China.
For over fifty years, as a designated enterprise for railway communication equipment in China, the company has focused on advancing the development of industries including railway wireless communication, rail transit communication, emergency communication, oilfield informatization, military and civilian testing and measurement, and system integration. It has gradually evolved into a technology enterprise that integrates market operations, technology development, and production services.
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Phone：022-653888641
Email：wangtiandu@712yd.cn
Address: No. 1, Micro-7 Road, Microelectronics Industrial Zone, Tianjin Economic Development Zone
Phone：022-653888641
Email：wangtiandu@712yd.cn
Address: No. 1, Micro-7 Road, Microelectronics Industrial Zone, Tianjin Economic Development Zone
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