Based on the specs (http://www.broadcom.com/products/Wireles...) the WiFi chipset is capable of 5 Ghz 'N'. Can anyone confirm if that's the case? Previous iOS devices are all 2.4 Ghz only
AFAIK the 802.11n radio on the iPhone 4 doesn't supports the 5Ghz frequency band
Once they have, you'll be able to view a graph of their reputation gained over time.
Here's a preview of what the graph will look like:
No reputation gained yet.