Prediction of a 4G LTE iPad is nothing new; but if this latest news is true, then the iPad with 4G LTE is more likely to arrive in 2012 than in time for the 2011 holidays, as many have speculated. This does seem to reinforce the rumors that the 3rd generation iPad will not arrive till 2012.
BGR has some additional details and a look at the document should want to check it out here.