What, really, is the range where you're going to get the best performance out of that? And you're going to get the best performance within a range of about... They had a very precise number at one point. In meters it's like eight meters. In feet it's about 24 feet. That's for best performance. - Nintendo's Bill Trinen
That doesn't mean you can't have more of a range than that, but you're going to get the best connection in that range.