Edimax EW-7108PCg Quick Install Manual page 12

3.2.3 Please select 'Optimize for WiFi mode' for wireless compatibility,
then click 'Next'.
If you want to enhance wireless performance, please select
'Optimize for performance mode'. However, wireless compatibility is
not guaranteed in this mode. Please refer to user manual for details
of performance mode.
3.2.4 When you see this message, please click 'Finish' to complete the
driver installation process.
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