Access control

摘要

An access point (11) for enabling a user device to access a data network, the access point (11) being operable to wirelessly communicate with the user device and for providing data network access for the device (10) when authenticated, wherein the access point (11) includes authentication means (64) and processing means (48) for providing an authentication code for transmission to the user device (10) to enable the user device (10) to be authenticated for a communication session with the access point by the authentication means.