6 Antennas GPS WiFi UHF VHF Blocker Phone Jammer video
A high-power signal blocker can block all cell phone frequencies. Also, you can buy jammers for frequency WiFi and GPS, or UHF/VHF frequency jammers. This desktop powerful mobile jammer can be used in school exam rooms, courts, hospitals, offices and more. The radius of the jammer is in the range of 2-50 meters, depending on the communication signal strength.
- Church : Clear cell phone signal noise and maintain the solemnity of religious sites.
1.Library : Keep quiet in reading and studying.
2.Theater : Clear the noise and keeps the audience interested in the show.
3.Hospital : It can prevent the harm from using mobile phones to the human body and the malfunction of medical equipment.
4.Court : Maintain the solemnity and sacredness of the court.
5.Military heavy land : Prevent the leakage of military secrets.