The Vehicle Tracking Unit has built-in MSS transmitter module, using which it sends positional data and alerts to the NMS at Network Center through Satellite. This solution is used where there is no GSM network coverage. As positional information is received through satellite, users can track his vehicle/fleet on real-time basis. MSS offers extensive coverage and high availability tracking solutions irrespective of the geographic conditions across the Indian Territory. Users can simply log on to the FMS over the Internet and track his fleet/vehicle(s).