How will the BBC detect people watching iPlayer without a licence? | iPlayer | The Guardian
A BBC local news outside broadcast van in the U.K Stock Photo - Alamy
The scandal isn't that TV detector vans are going to intercept your Wi-Fi. The scandal is that you still believe in TV detector vans | by Adam Banks | Medium
TV detector van - Wikipedia
Television Detector Vans
electromagnetic radiation - Can a television detector van REALLY tell if you have the TV switched on? - Physics Stack Exchange