Edimax EW-7416APn User Manual page 52

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 access
point and the changes will take effect after about 30 seconds.
radio signal collisions between 802.11b and
802.11g wireless 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 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 access point).
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