In an ESS environment, users are able to move from one access point to another without losing the connection. In the diagram below, when the user moves from BSS (1) to BSS (2) the SMCWPCI-N2 automatically switches to the channel used in BSS (2).

Roaming in an ESS network diagram

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SMC Networks SMCWPCI-N2 manual Roaming in an ESS network diagram