Patent ID: 8223009

Claim:
A mobile asset tracking system comprising: a plurality of tracking units, each tracking unit being adapted for mounting to a mobile asset of a system subscriber and comprising a position location device, at least one communication device for telemetry data transmission, a battery, a processor and a firmware program for enabling communication between the position location device and the communication device and for controlling a communication interval of the communication device and a position lock interval of the position location device; and a monitoring system comprising: a port listener for receiving telemetry data from the tracking units, the telemetry data including the position of the mobile asset as determined by the position location device; a database for receiving and storing telemetry data from the port listener; a database rules engine for deriving asset and shipment cargo information from the telemetry data in the database and generating alerts based on the asset information and defined rules; an interface program for interacting with the database rules engine and sending alerts to the system subscriber; and a graphical user interface (GUI) which may be accessed by the system subscriber via a secure internet connection.