SMC Networks SMC2555W-AG - Manual (Page 95)

Radio Interface
5-39
Radio Settings (802.11a)
The IEEE 802.11a interface operates within the 5 GHz band, at
up to 54 Mbps in normal mode or up to 108 Mbps in Turbo mode.
Enable – Enables radio communications on the SMC2555W-AG.
(Default: Enabled)
Turbo Mode – The normal 802.11a wireless operation mode
provides connections up to 54 Mbps. Turbo Mode is an enhanced
mode (not regulated in IEEE 802.11a) that provides a higher data
rate of up to 108 Mbps. Enabling Turbo Mode allows the
SMC2555W-AG to provide connections up to 108 Mbps.
(Default: Disabled)