To install the jammers in the prison, some data should be offered as.

The shape of the prison is divided into two types.

• Type A: Regular type in rectangle or square.
  
• Type B: Irregular type, neither rectangle nor square type.

Prior to the designing of the installation solution, the size information provided including：

1. Per Type A and B, the map of the prison as well as the peremeter length surrounding the prison.
2. The length, width, and height for each building as well as its location in the prison.
3. The signal strength of different locations in the prison. ( Including the signal strength of different cellular phone system signals)
4. The nearest distance between the residential areas and all the directions surrounding the prison.
5. The height of observation/patrol towers and perimeter walls in the prison.