Yep, detecing microwaves is easy, and the equipment cheap and available to everyone (relatively cheap, compared to other stuff embassys buy). Depending on the f

Yep, detecing microwaves is easy, and the equipment cheap and available to everyone (relatively cheap, compared to other stuff embassys buy). Depending on the frequency, it should be detectable even with $10 rtl-sdr sticks with direct sampling. I'm fairly sure that most electrical engineering students could find out if their dorm rooms were targeted by microwaves, so why not the embassy of one of the richest and most powerfull countries in the world?