Vehicle Driving Recorder Digital Tachograph Systems With 4 Cameras

GPS features

GPS antenna interface

SMA interface: 26dB

Tracking sensitivity

159dBm

Positioning time

Cold boot less than 34s; hot boot less than 3.5s; warm boot less than 33s, re-capture time 1.0s

Positioning accuracy

10m2D RMS

Speed accuracy

0.1m/s

BS positioning accuracy

100m

Environment features

Vehicle spark noise immunity

Discharge voltage 10 kV20 kV, discharge frequency 20 times/s200 times/s

Electro-transient pulse noise immunity

4KV, experiment grade IV

Static discharge noise immunity

Contacting discharge 6KV, air discharge 8KV, experiment grade III

Conduction interference limits

Accord with the requirements of class B

Radiated interference limits

Accord with the requirements of class B