BlueManic
Team Captain
LTE-Advanced or some variant of it is the only wireless tech I'm aware of that's on the horizon that can reach those sort of speeds but that's in perfect conditions, requires a lot of spectrum and is only for stationary devices. It's more a theoretical speed than a realistic one and scaling it up to the size of the NBN presents many of the same challenges and limitations as previous wireless standards.
So unless your aware of it it doesn't exist?