PROBLEM TO BE SOLVED: To provide a wireless LAN base station system realizing public services such as the street corner Internet as well as home use private services by using one high speed access channel.;SOLUTION: The wireless LAN base station system realizing the task above is configured such that the wireless LAN base station system includes both of a function whereby home use or private wireless LAN terminals or wired LAN terminals can mutually make communication through loopback at a wireless LAN base station or a router and a function whereby public terminals used for coffee shops and stations or the like cannot make communication with each other through the loopback at the wireless base station or the router, makes the wireless base station use a private management server and a public management server for discriminating whether a terminal is the private terminal or the public terminal to carry out authentication, makes the private services and the public services coexist by informing the router about unique information of the wireless LAN terminal such as MAC address or IP address, and includes a function of placing a limit on transmission bands used for both the services.;COPYRIGHT: (C)2005,JPO&NCIPI
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