PROCON GPS

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 regarding past due loan payments, communication of signals to the wireless devices to deactivate the vehicle starter in the event of a past due 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