The newly announced iPhone 5 today support “Ultrafast Wireless” which is the first new feature of the iPhone 5. There is now just a single chip for voice and data. Apple has also partnered with lots of carriers around the globe to add in support for this feature.
There is going to be HSPA+, DC-HSDPA and LTE on the iPhone 5. There is also a whole new WiFi system.
2.4ghz and 5ghz on 802.11n.