Edimax EW-7711UAn / EW-7711UTn / EW-7711UMn / EW-7711USn User Manual page 43

Here are descriptions of every setup item:
Item Name
Wireless mode
Enable Tx Burst
Enable TCP
Window Size
Fast Roaming
Show
Authentication
Status Dialog
Enable CCX
After you finish the settings, click 'Apply' to apply new settings.
Description
Display the wireless operation mode of the network card.
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.
Check this box and you can control the threshold that the wireless
network card should switch to another wireless access point with
better signal quality. Only adjust value when you understand what
it means and you need to roam between multiple access points.
When your computer is being authenticated by wireless
authentication server, a dialog window with the process of
authentication will appear. This function is helpful to find out the
problem when you can not be authenticated, and you can provide
this information to authentication server's administrator for
debugging purpose.
Enable Cisco Compatible eXtensions. CCX is a wireless feature
developed by Cisco used to improve the wireless performance
with CCX compatible wireless devices. Check this box if you need
to connect to CCX-compatible wireless devices. When you
enabled CCX, the following setup items will become available:
Turn on CCKM: Check this box to enable CCKM (Cisco
Centralized Key Management), which enables wireless clients to
roam between CCKM-enabled access points in very short time.
Enable Radio Measurements: When you're connecting to
CCX-compatible access point, check this box to enable radio
measurement function to improve wireless connectivity.
Non-Serving Channel Measurements Limit: When you're
connecting to CCX-compatible access point, check this box to
enable measurement on unused radio channels to improve
wireless connectivity.
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