Grandstream Networks WP820 User Manual page 18

WP820 will display Wi-Fi icon on the main LCD menu if the con nection to the Wi-Fi network is successful.
Note
WP820 supports connection to Wi-Fi with captive portal enabled that requires additional credentials to sign up or login before it
is allowed to use Wi-Fi.
Note
If you receive a Wi-Fi association reject message from AP, it will show Disabled on available WI-FI networks, and this is not set
or configured at WP820 side, the possible reasons are: blacklisted by AP, open band steering or load balance on AP, reach max
connection limit of AP, etc...
Wi-Fi Band Configuration
If 5GHz and 2.4Ghz are both available, the WP820 will use 5GHz, but it may switch to 2.4GHz if the signal of 5GHz is poor.
Users may also specify the Wi-Fi Band in order to fix it or to keep it Dual Band under Settings��Network Settings��Wi-Fi
Band.
Note
Wi-Fi will restart after changing Wi-Fi frequency.
Wi-Fi Signal Warning Configuration
Users Can configure Wi-Fi signal warning sensitivity or disable it under Settings��Network Settings��Wi-Fi signal warning.
Five sensitivity levels are available: Level 1 is the lowest and level 5 is the highest.
Note
Figure 13: Connecting WP820 to Wi-Fi Network
Figure 14: Wi-Fi Band configuration
Figure 15: Wi-Fi Signal Warning Sensitivity