Their network is scalable to support speeds upto 28Mbps, but thats going to be 2-3 yrs before we get those speeds in affordable plans. I am using their 2gb data plan in data card & when I landed up in Mumbai, I was getting speeds upto 6.8Mbps for a short while, I was traveling on highway.Other companies will have to upgrade their network hardware whereas they already have it in place that s why they are advertising it.