China (Mainland) Mobile Phone Signal Isolator

Specifications: We have a jammer that can stop mobile signal and make all mobile phones lose function within 15 to 60 meters.

Who can be the user: A: hospital, while docotors are operating, B: schools, when students are in class or having an examination; libuary, C: church or Mosque, while people are praying to God, D: VIP meeting room, or lecture hall, E, Musical Hall, when there is a concert F: Jail// prison, the prisoners are not allowed to call outside G: Armed force, military camp, government agent H: petroleum station, liquid gas station and inflammable places which mobile phone calls are prohibited.