To provide a broadcast data generator and a management device managing the generator by which an information terminal can simply acquire desired information through the use of a data broadcast program.

When a car navigation system receives broadcast data from each broadcast data generator (S21), a display section displays icons on a display map based on icon data included in outline information of the received broadcast data (S22), when a desired icon is clicked (S23), an individual identification code and broadcast frequency data corresponding to the icon are transmitted to a management server (S24), address information corresponding to the individual identification code and the broadcast frequency data is received from the management server and displayed on the display section (S25), a mobile telephone is used to access an inquiry destination denoted by the address information to acquire details of the desired contents (S26, S27).