SMC Networks SMC2804WBR V.2 - Manual (Page 62)

Configuring the Wireless Barricade™ g Router
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If you use encryption, configure the same keys used for the
Wireless Barricade™ on each of your wireless clients. Note that
Wired Equivalent Privacy (WEP) protects data transmitted between
wireless nodes, but does not protect any transmissions over your
wired network or over the Internet.