As shown below, we could reach 2700 Kbit/s from our iPhone:
Of course, browsing on the net is faster, but it is mostly a real improvement for uploading emails.
Depending on your location, the data speed may vary a lot, sometimes it is a matter of couple of meters and you can get 2 to 4 times higher or lower transfer speed.
You can test your own with our Speedtest webpage: http://speedtest.macbidouille.com/
