Ubiquiti Networks airFibe5X - Manual (Page 11)

4. The login screen will appear. Enter ubnt in the Username
and Password fields. Select your Country and Language.
You must agree to the Terms of Use to use the product.
Click Login.
Note: U.S. product versions are locked to the U.S.
Country Code to ensure compliance with FCC
regulations.
5. The Main tab will appear. Click the Tools drop-down and
select Link Calculator. This tool will guide you on how to
best minimize bandwidth and power/interference issues.
6. Enter the requirements of your link, and then click
Calculate. Adjust the values as needed to get the optimal
result, and then write down the settings needed for your
configuration.
7. Click the Wireless tab.