Excavation work on an existing tile, sand or asphalt floor of (55 cm depth x 25 cm width x 1500 cm length)

The manhole size of (60cm x 60cm) with sealed type insulator cover shall be provided at all the prison buildings corner along the cable route of approximately (50m -100m) between the prison building to Control Room

Plastic pipe of type (PVC) with 90mm thickness and 4 inches diameter shall be inserted into the excavation

A spare plastic pipe of type (PVC) with 90 mm thickness and (4) inches diameter

Inspection of the excavation by the technicians of the competent authority before burial

Use fine sand above and below the pipes with a thickness of 15 cm, with a warning tape to identify the pipe position

Prior approval should be required for the burial work. In the event of not able to deliver an operationally satisfactory and reliable burial work during the inspection, return the previous burial.

All the PVC pipes shall be connected and sealed with superior quality glue

If the excavation is asphalt, spray the excavation with water for a period of (24) hours, then the soil is compacted, and the bitumen is sprayed (MC1)

Then, put an asphalt layer with a diameter of (10) cm.

Specification (Choose 10 bands from the following frequency)

Accessories

• AC adaptor
• Car adaptor
• Antennas

This cell phone jammer's effective jamming area is influenced by circumstance around users, such as the distance or locations of the cell tower and the obstacles, between cell tower and the cell phone jammer. In the normal condition, the cell phone jammer will work very less jamming area, when the distance is near or very close the cell tower or cell base stations. As well as, if there are obstacles and walls between the cell tower and the cell phone, the cell phone jammer will give less blocking area.