Levi's Stadium crowd on August 17, 2014. Jim Bahn The San Francisco 49ers' heralded Wi-Fi network served its first NFL crowd in a preseason game on Sunday, and the team has now released statistics showing that it was able to serve lots of data to lots of fans, just as intended. "We offloaded 2.13 terabytes during the event," 49ers VP of Technology Dan Williams told Mobile Sports Report.