cell phone signal jammer
Posted: Sat Jul 18, 2020 3:27 am
"The rapid proliferation of cell phones at the beginning of the 21st century to near ubiquitous status eventually raised problems such as their potential use to invade privacy or contribute to rampant and egregious academic cheating. Keep off the noises and the cheating behavior right now, just with the cell phone signal jammer, you can do it immediately.
"
"