摘要 |
<p>The system has a set of fixed stations each provided with a virtual private network router (105), where the router includes a module for wireless transmission of information. A set of vehicles i.e. bus, is provided, where each vehicle includes a virtual private network router with two modules for wireless transmission of information. A server (110) includes a data storage unit or a playing device for the unit or is connected to the unit or the device. Notebook computers (111, 113, 114, 117) and panel-personal computers (112, 118) are connected to a switch (109).</p> |