You see, there's 3G and there's 3G. Under that banner of mobile broadband there are quite a few variations of 3G speed within the UK. The operators all offer different levels ranging from slow 3G to quick 3G and, if you're really lucky, even... Apple has confirmed that the new iPad Wi-Fi + 4G - yes, yes, ignore the handle, it really is just the
Apple 3G here in the UK - will offer 3G connection speeds up to 42Mbps or DC-HSDPA as it is professionally known. Customers snapping up a new iPad 4G in the UK will have to rely on good old-fashioned 3G instead, but it's not quite as simple as that. To put that gobbledygook into perspective, the current iPad 2 has a top speed of 14. Sounds amazing doesn't it. Well, if you are in America, it does and will be but, in the UK, we don't have a 4G network. At the top end of the speed scale you have 42Mbps with it slowly cascading down through 28....
Source: Pocket-lint.com