OK, now this is real advanced stuff. Electrical Engineering degree or IEEE membership probably needed to grasp all the data in the FCC-required, newly posted report on tests for the Wi-Fi enabled BlackBerry 8800/8830 series.
Bottom line, everything checks out A-OK.
But if you are brave and want to dig deeper, this 109-page report from the testing service BlackBerry uses will let you know about the BlackBerry 8800/8830 via talking hundreds of highly technical diagrams and charts here.
Let's just pick a few, which plot the results of tests performed on 802.11g:
Good to know there are folks who check BlackBerrys out before we dig in and buy one.