Positioning system, automatic vehicles (AVL), etc., as the name comes on., the means for determining automatically the geographical location of the vehicle and send it to the applicant.

usually the position using GPS can be determined, and then, via SMS, GPRS, etc. satellite or radio communication with the ground stations will be sent. GSM and EVDO, the most common methods are that due to the low rate of send data, the low cost and widespread relative the service, usually in systems AVL are used. The need for low-bandwidth allow the satellite technology to receive data and remote sensing with the cost relatively higher. although the global coverage of satellites allows in areas out of reach that even outside of network coverage, and Public Radio. we can from the technology we use.