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tachograph
applicable to all commercial vehicles and passenger cars with whole car design; support gps/ggprs communication; remote data acquisition, control and upgrade; compatible vias system
bluetooth obd
applicable to all commercial vehicles and passenger cars; support obd standard protocol, bluetooth v2.0 edr short distance wireless transmission protocol; apply to android and os app terminal end.
voltage type pneumatic sensor
applicable to all air brake commercial vehicles with the advantages of long life, high stability, high cost performance, small size
