It's an open-source GPS jammer, developed by Limor Fried, a graduate student at MIT, and Limor calls it "a tool for reclaiming our personal space." With a flip of the switch you create a bubble around you within which GPS signals can't reside.
Es un disturbador de GPS de código libre, desarrollado por Limor Fried, una estudiante del MIT, que lo define como "un aparato para revindicar nuestro espacio personal". Pulsando un botón, creas una burbuja a tu alrededor