Rosewill N900UBE manual Here

Wireless N Dual Band Adapter N900UBE User Manual

12. A new icon will appear near the clock of system tray:

HERE!

Left-click the icon will launch wireless network configuration utility, and you can right-click the icon to show the quick menu of configuration utility.

This icon uses 5 colors to represent current network status:

(Green)	The Wireless Adapter established, signal strength good
(Yellow)	The Wireless Adapter established, signal strength normal
(Red)	The Network connection established, signal strength poor
(Blue)	The Network connection is not yet established
(Black)	The Wireless Adapter is not found on your computer

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