Knowing roughly what conditions to expect is not the same as actually testing equipment under those conditions. The team staff aren't trying to simulate or pre

Knowing roughly what conditions to expect is not the same as actually testing equipment under those conditions. The team staff aren't trying to simulate or predict anything, they're trying to test the performance of the specific tablets they get, under game conditions. On gameday there are thousands of different rf sources - deliberate and otherwise - in the stadium. You can't simulate that in as much detail as needed.