Currently, Xi 'an mobile communication market has been nearly saturated, the market competition will become stronger than before.
2
西安地铁2号线信号系统采用完整的、基于无线通信技术的、移动闭塞制式的CBTC列车自动控制系统。
CBTC is adopted for signal system of Xi 'an Subway Line 2, which is a complete and movable block train control system based on wireless communication technology.