Edimax EW-7416APn V2 Manual page 54

CTS Protect
TX Power
After you finish with setting, please click 'Apply', and the following
message will be displayed:
When you see this message, the settings you made is successfully save.
You can click 'Continue' button to back to previous page and continue on
other setting items, or click 'Apply' button to restart the wireless range
extender/access point and the changes will take effect after about 30
seconds.
Enabling this setting will reduce the chance of
radio signal collisions between 802.11b and
802.11g wireless range extender/access points. It's
recommended to set this option to 'Auto'.
You can set the output power of wireless radio.
Unless you're using this wireless range
extender/access point in a really big space, you
may not have to set output power to 100%. This
will enhance security (malicious / unknown users
in distance will not be able to reach your wireless
range extender/access point).
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