It is an eBook availible from Cisco Press ($25) or Amazon. http://www.ciscopress.com/bookstore/product.asp?isbn=1587141914I will warn you it is a little sparse (96 pages), but there is some good site survey info in it, including some good instruction...
Not sure if you are still looking but this is the reference from the CUWSS Quick Reference Guide.RSSI/SNR GuidlinesData Rate20\40 MHz2.4 GHz Min RSSI 2.4 GHz Min SNR 5 GHz Min RSSI 5 GHz Min SNR14.4\30 -8211-791428.9\60-7914-761743.3\90-7716-741957.8...
That is one problem Cisco has is the conflicting Java versions across product lines. I end up just using different PC to access the products. For instance my version of CiscoWorks and ACS require two different revs. I really wish they would get awa...