Installation of mobile phone jammers in jails

Everyone knows that prisoners are forbidden to use mobile phones in jails. But actually this problem exist in

many jails in the world. A few of prisoners are contacting with the outside by mobile phones, continue to

carrying out criminal activities. The phenomenon exist for many years, how to solve this problem? The

answer is use mobile phone jammers in jails.

How to install mobile phone jammers in jails?

The environment of jails is complex, usually it is consist of guard office, production workshop, square and

dorm.

Usually it needn’t to block the guard office, the production workshop, square and dorm of prisoners should

be blocked. Production workshop is very easy, install one jammer each 25-30m of each floor on the wall, the

height not less than 3m. It depending on the length, width and quantity of the workshop.

The environment of prisoners’ dorm is not good. Because there has many concrete walls, it must use more

cell phone jammers. Install one jammer each 15m on the corridor of each floor to assure the signal

penetration. If there has blind zone, it need to install some jammers outside of the wall. Consider the

waterproof, quantity of dorms can confirm how many mobile phone jammers needed to install. Refer to the

square or open area, can used high power jammer, which has more than 60W output power.

It may have some problems when installing, sometimes it will affect the guard office. You can use adjustable

cell phone jammer or directional antennas near the guard office. And the same as the residential area near

the jail.

Please note the jammer use in jails must have the function of vandal resistant.

Why did the jails are not suitable to use high power cell phone jammer?

Because the environment of jails is very complex, it has many thick concrete walls. The high power jammer is

suitable to install in the open area, install in the other places maybe will not fully blocked. And it will block

the other area easily. The best way is install both high power jammer and low power jammer in different

area.

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