Patent ID: 7362722

Claim:
A radio station to be connected to a first wireless network through an access point, comprising: an AP storage section that stores network identification information indispensable for grouping subjects of communication in a wireless network; an AP function section that establishes connection with a second wireless network based on the network identification information stored in the AP storage section; a client storage section that stores client identification information used in connecting to the first wireless network; a client function section that establishes connection with the first wireless network based on the client identification information stored in the client storage section; an operation control section that simultaneously controls operation of the AP function section and operation of the client function section; a connection determination section that determines whether the connection with the first wireless network by the client function section is established; and a synchronization authentication section that conducts authentication by a predetermined authentication system, the predetermined authentication system configured to conduct communications through the second wireless network when the predetermined authentication system conducts communications through the first wireless network, wherein the client storage section has a capacity to store security information concerning the predetermined authentication system used in the communications through the first wireless network, wherein the synchronization authentication section is configured to copy the security information stored in the client function section into the AP storage section subject to the connection determination section determining the connection with the first wireless network being established, and wherein the AP function section establishes the connection with the second wireless network based on the security information stored in the AP storage section.