Aaron and I ran a number of WiFi range tests using the Xirrus Access Point as the access point (no surprises there) and the TP-Link Archer T4U 1200AC USB Wireless Adapter on a laptop.
They measured signal strength using WirelessMon 4.0 by PassMark. The route taken during the test was filmed and the WirelessMon results were captured using the Open Broadcasting Software package. Later, I synced the footage of the two sources in Premiere and added a distance counter. Distance was measured using a 1 metre trundle wheel.
In the first test, the laptop was taken into the student services hub with detectable interference from 71 nearby wireless access points. Physical obstructions between the access point and the laptop were an aluminium shielded wall (IT staff room) and glass windows (student services hub). Despite this interference, the laptop was able to maintain a connection to the access point over a distance of 82 metres.
In the second test, we successfully replicated the results of the first test.
In the third test, the laptop was taken out to the oval with detectable interference from 6 nearby access points (although there was more interference at the access point). Physical obstructions between the access point and the laptop were 3 aluminium shielded walls (IT block). The laptop was able to maintain a connection to the access point over a distance of 92 metres
The second and third tests are shown in this video.