The current emergency communications along the railway line in this column depends on a single call access to the means of its limited bandwidth resulting in less bearer service, slow speeds, poor transport, emergency rescue headquarters has seriously affected the work, for building a fast and accur

The current railway emergency communication depends mainly on the phone this single pillar and the limited access means that hosts the bandwidth resulting in low-volume business, transmission speed, transmission result slow rates, which have had a grave impact on emergency response and rescue comman

The current rail line emergency communication mainly is decided by the telephone conversation column this sole turning on method, its limited band width cause load bearing business volume few, the transmission speed slow, the transmission effect is bad, has interfered with the emergency emergency di

Current railway emergency communication depends primarily on this single call column means access, its limited bandwidth resulting in less bearer services, slow transmission, transmission error, seriously affecting the emergency command work, building a quick accurate, flexible and react fast, relia

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