This jammer device can be used in any place where the use of mobile phones, GPS and WIFI signals is prohibited. 40 meters of interference can be used for small and medium sized conference rooms and rooms to ensure the safety of meetings and information security
Review 5 Bands Desktop Jammer
Better than expected! I successfully shut up all the students' cell phones!
Very convenient and user-friendly design. All frequency bands can regulate the output power, can interfere with the signal according to the need