Quoted from MacRumors, eBay is auctioning Macbook users said that the Macbook which has a 15-inch screen that can run well. He said, Macbooknya is a production of 2007, but until now has not been issued officially by the Apple. Despite having the SIM card slot, this Macbook will not necessarily work if you insert a SIM card.
The owner of this laptop that he bought the Macbook from craiglist in 2007. It said there was indeed a difference when compared with the Macbook that has been circulating in the market. Not only that, the original owner of the Macbook is also saying there are features that can not be used.