Edimax EW-7108PCg User Manual page 55

Here are descriptions of every setup items:
Wireless mode
Wireless
Protection
TX Rate
Tx BURST
Enable TCP
Window Size
Select wireless operation mode, available
options are 802.11 B/G mix, 802.11 B only, and
802.11 B/G/N mix. You can select 802.11 B/G/N
mix to maximize wireless compatibility with
wireless access points and other wireless
devices. Anyway, you can set this setting to
'802.11 B only' when you're going to
communicate with old 802.11b wireless devices
and you got problem using other two modes.
This setting helps your network card to avoid
interference with other wireless devices when
there are both 802.11b and 802.11g wireless
devices in the same place. It's recommended to
set this setting to 'Auto' , since enabling this
setting will slightly reduce the data transfer
performance.
Normally, the wireless network card will adjust
transfer rate automatically according to wireless
signal quality. However, you can fix the data
transfer rate to a lower fixed rate if you think
there's some problem about data transfer, or
you're too far from wireless access point. It's
recommended to set this setting to 'Auto',
unless you really know the meaning of this
setting.
Check this box to accelerate the data transmit
rate. It may not work with all wireless access
point and wireless devices.
Check this box and the configuration utility will
adjust TCP window size automatically, to get
better performance. It should be safe for most
of wireless environments, but if you found some
problem on data transfer, uncheck this box.
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