https://en.wikipedia.org/wiki/Microwave_auditory_effect It's definitely possible...

rotrux · on Sept 15, 2017

Several small devices with low-powered microwave-beams might be able to do interesting things at beam-intersection points: https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&c...

cat199 · on Sept 16, 2017

though I'm very weary of the russian boogeyman theory which seems to be behind everything these days..

there is actually a case here assuming russian-cuban ties are still strong after the USSR - e.g. if USA is trying to clean up shop entirely, it could be a warning that such activity will not be taken lightly..

baq · on Sept 15, 2017

those passive bugs need power to operate

SolarNet · on Sept 15, 2017

As another person posted. It's probably a surveillance attempt gone awry.