wireless devices for navigation, communication and tracking, namely portable vehicle tracking units that combine GPS and cellular technologies for determining vehicle location information, communicating the vehicle location information, and providing communication of messages to the wireless devices associated with overdue loan payments, communication of signals to the wireless devices to deactivate the vehicle starter in the event of an overdue loan payment, communication of vehicle movement and location information from the wireless devices, communication of alert messages when vehicle speed exceeds a preset maximum speed, and communication of alert messages when a vehicle goes outside a preset boundary
Electrical and Scientific Apparatus