| 摘要 |
A mobile radio station radio-communicates with a base station in accordance with a code division multiple access scheme to receive an information provision service from an information service center through the base station. The information service center supplies information data for information service, type data indicating the type of information data, and update data including version data of the information data to the base station. The mobile radio station receives the update data transmitted from the base station and displays the type data on a display, when the desired selected type data is selected from the displayed type data by user's operation, if it is judged that the corresponding information data is the latest information data based on the version data corresponding to the selected type data, receives the information data. When the information data is the latest information data, the information service center charges an account for the reception of information data by the mobile radio station.
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