Running WiFi at the edge of what the physics will allow in a room where you cannot install a screw in the wall. 1500 Students use BYOD laptops and exam software that saves with every keystroke. No 6 Ghz. The tools used, Ekahau/WiFi Explorer Pro/Tonic/Netally. All the "lessons learned" to execute 34 thousand University digital exams over 3 weeks.