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8000013, July 2006 MM2211 Wireless Broadband Gateway User’s Guide 23
Air Quality Indicator
The Air Quality Indicator examines the environment that surrounds a Ruckus Wireless, Inc. MM2211
Gateway, and determines the amount of interference in the environment. The Radio Frequency (RF) side of
a wireless device is a combination of a receiver and a transmitter. Both receiver and transmitter provide
feedback as they operate. The Air Quality indicator bases its evaluation on the Received Signal Strength
Indication (RSSI) that is returned as part of the 802.11 transmission acknowledgement. As the adapter
receives an 802.11 packet, it sends the RSSI value to the remote AP.
Thumb Up: Good air quality. The environment supports a quality data transmission.
Thumb sideways: Marginal data transmission strength. The current environment may
support data transmission, but it is possible that the data transmission quality may be
marginal.
Thumb down: Low data transmission strength. The current environment does not support
acceptable data transmission.