It wouldn't surprise me a bit. Find some hams and head back there with a spectrum analyzer. (Or get yourself a $25 rtlsdr dongle...) There've also been cases o

It wouldn't surprise me a bit. Find some hams and head back there with a spectrum analyzer. (Or get yourself a $25 rtlsdr dongle...) There've also been cases of hotels sending deauth packets to other people's wifi hotspots, to force them to buy the hotel's wifi. Multiply that times a hundred vendors trying to run verifone terminals and stuff in a merch room, and it's a huge money grab.