Tianjin 712 Communication & Broadcasting is a leading brand in the field of digital cluster communications. With a history of over 50 years, they were the first in China to produce railway wireless communication equipment. They specialize in providing comprehensive solutions for both TETRA-based dedicated wireless systems and LTE-based wireless/broadband cluster systems in the rail transit industry.

Their product range includes GSM-R mobile integrated wireless communication equipment, wireless cluster systems, cluster system