While you anxiously await AT&T to bump 3G up to 7.2Mbps in your area, keep in mind that their new USBConnect Lighting device is what your laptop will need to take advantage of it.
https://gizmodo.com/at-t-bumping-its-3g-to-hspa-7-2-in-six-more-cities-5355470
It will be available on November 22nd, free with rebate after signing up for a contract. That means you customers in Charlotte, Chicago, Dallas, Houston, LA and Miami. [AT&T via Engadget]
