Asus USB-N11 - Manual (Page 27)

ASUS WLAN Adapter 27
Chapter  - Software Reference
Chapter

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Link State
WLAN Adapter “Link State” icon appears on the left side of
the WLAN Adapter Settings. Use the icon to view the current
signal status.
Exit Wireless Settings
To exit Wireless Settings, you can click OK or Cancel.
Excellent Link Quality (Infrastructure)
Good Link Quality (Infrastructure)
Fair Link Quality (Infrastructure)
Poor Link Quality (Infrastructure)
Not linked (Infrastructure)