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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.

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.

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.