Check their Press Release

Many Network enhancements are already in place.

* 18 new cell sites in the Tampa area to enhance coverage in and around the stadium.
* Distributed Antenna System (DAS) in the stadium to enhance Sprint’s wireless coverage and capacity and to enhance 3G data coverage and capacity for high-speed mobile broadband use.
* In-building coverage enhancements at area hotels.
* Three Cell Sites on Wheels (COWs) deployed near the stadium for additional coverage.
* One COW deployed in downtown Tampa, enhancing coverage for area events.
* Optimized and extended the NFL’s existing nationwide Sprint Global MPLS enterprise network into Tampa for the Super Bowl.
* Implemented Sprint Dedicated Internet service to support the secure access and critical communication needs of the teams as they prepare for this event.

[via press release] see more news at { SuperBowl XLIII Updates }