Lenovo N500 Laptop Regulatory Notice - Lenovo 3000 N500 - Page 42

Dynamic Frequency Selection DFS

Page 42 highlights

Dynamic Frequency Selection (DFS) This device must be used with Access Points that have employed and activated a radar detection feature required for European Community operation in the 5GHz bands. This device will operate under the control of the Access Point in order to avoid operating on a channel occupied by any radar system in the area. The presence of nearby radar operation may result in temporary interruption of operation of this device. The Access Point's radar detection feature will automatically restart operation on a channel free of radar. The User may consult with the local technical support staff responsible for Wireless LAN Network to ensure the Access Point device(s) are properly configured for European Community Operation. 40

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Dynamic Frequency Selection (DFS)
This device must be used with Access Points that have employed and
activated a radar detection feature required for European Community
operation in the 5GHz bands. This device will operate under the
control of the Access Point in order to avoid operating on a channel
occupied by any radar system in the area. The presence of nearby
radar operation may result in temporary interruption of operation of
this device. The Access Point's radar detection feature will
automatically restart operation on a channel free of radar. The User
may consult with the local technical support staff responsible for
Wireless LAN Network to ensure the Access Point device(s) are
properly configured for European Community Operation.