Jammers can prevent the transmission of negative emotions

Phone hum and noise in public places could lead to negative emotions from others, this behavior is outrageous, especially in theaters, cinemas, restaurants, concert halls and speeches and so on. In order to avoid such a loud voice, a local gps jammer installed in these places, including 2G 3G 4G, GPS, WiFi, Bluetooth, jammer LoJack, is blocked. […]

Read More