Application of mobile phone Signal Jammer

In theory, the cell phone signal jammer is applied to the place where are forbidden to use mobile phones.

For example, cell phone signal jammers used in jails, prisoners can be effectively prohibited contacting with

the outside via mobile phones and avoid the possibility of continued crime; Cell phone jammers used in gas

stations, can effectively avoid the fire caused by using mobile phones; Mobile phone jammers used in the

military, can effectively prevent leak important military secrets; Mobile phone signal blocker used in the exa-

mination rooms, can effectively prevent cheat through mobile communications; Cell phone signal jammer us-

ed in churches, can keep the church quiet; Cell phone signal blocker used in schools, can assure students to

study without distraction and have a quiet rest; Cell phone jammer used in theaters, can make everyone en-

joy the program without disturb; Mobile phone jammer used in meeting rooms or training rooms, can assure

the effective of the meeting; Mobile phone blocker used in cars, can effectively prevent the GPS tracking , etc

.

In fact, cell phone jammers is urgent needed in jails.At present, all countries in the world have regulations th

-at forbidden use of mobile phones in prison, but due to the defect of management, it's difficult to do that.So

the realistic choice to install mobile phone signal jammer in jails.Now many jails in the world already use mo-

bile phone jammers. In some countries such as Brazil in order to using cell phone signal jammer in prisons

even changed the law about forbidden to use mobile phone jammers in their country.

HOME(cell phone jammer/mobile phone jammer)

Principle of mobile phone jammer

Notes of install mobile phone jammer