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It consists of CIR host, MMI operation display terminal, printer, handset, speaker, connecting cable, antenna feeder unit, etc. It is divided into WTZJ-I type (standard type) and WTZJ-II type (miniature type).
The in-vehicle equipment based on GSM-R technology and the ground equipment of GSM-R communication system form a complete railway professional communication network with voice and digital signal transmission functions.

Together with the ground equipment, it forms a locomotive signal system and can be used as a driving certificate.
Cooperating with the locomotive signal remote monitoring and diagnosis system, it can be used for remote monitoring of locomotive signal vehicle equipment, and can obtain various main operational information of locomotive signal vehicle equipment in real time.
In 2014, it was awarded the “Licensing Equipment Manufacturing Enterprise License” and the CRCC “Railway Product Certification”.

It consists of CIR host, MMI operation display terminal, printer, handset, speaker, connecting cable, antenna feeder unit, etc. It is divided into WTZJ-I type (standard type) and WTZJ-II type (miniature type).
The in-vehicle equipment based on GSM-R technology and the ground equipment of GSM-R communication system form a complete railway professional communication network with voice and digital signal transmission functions.

In 2014, it was awarded the “Licensing Equipment Manufacturing Enterprise License” and the CRCC “Railway Product Certification”.

Monitoring the status of signal equipment, discovering hidden dangers of signal equipment, and strengthening the important signal equipment managed by the combination of signal equipment.

LBJ is an important part of train protection alarm and passenger train tail system. It is a professional protective equipment to ensure the safety of railway traffic, on-the-spot operators and work tools. It can also be used for alarms of people or unattended crossings, transporting train-related information between vehicles, ground protection wind pressure and supply voltage information transmission. In 2016, I was awarded the CRCC Railway Product Certification.