The record inquiry function of cell phone jammer

The record inquiry function of  cell phone jammer
Features
1, shielding GSM / CDMA / DCS / PHS four bands
2, the use of brushed aluminum casing, panel, or screen printing according to customer needs OEM logo
3, the transmission power 2W, 0.5W each antenna
4, the effective shielding adjustable from 1-25 meters
5, no harm to human
Application areas
1, entrance, adult college entrance examination, self-examination and various universities
2, party and government organs, enterprises kinds and sizes meeting rooms, concert halls, theaters
3, detention centers, labor camp, prison sizes
4, gas stations, oil depots, oil, filling stations and other flammable places
Installation Instructions
The record inquiry function of  cell phone jammer . This product can be screw fixed directly on the wall or ceiling, the product surface temperature can reach 50 ℃, so please stay away from low-heat objects.
Installation height: 1.0-2.0 m best
Installation direction: Do not phone signal jammers at the mobile phone base station antenna direction, otherwise it will affect the results.
1), the antenna connection
Wrong to adopt anti-antenna design, only be inserted correctly installed.
Note: If you do not turn the power switch on the antenna may damage the unit.
2), power connector
Check the main power switch, make sure the power switch is off, plug the power adapter plugged into the left side of the middle of the output power
Socket, power transformer plug with AC220V power input connection.
Product Name: With the guarantee of security, the  cell phone jammer  could be kept in the examination room.MCD-W433G-type mobile phone signal jammers radius of 1-20 meters (50-200 m)
Product Description:
  MCD-W433G mobile phone jammer (also known as cell phone jammer / off device / suppressor / cut / isolators / meeting information security machine). Using a special high-tech tools and technical means, can be used within a specified range of types of mobile phone function failure. Automatically form a protective shield electromagnetic network, so mobile phones can not establish contact with the base stations, base station receives the data, and thus play a communication signal shielding function. When the shield is in working condition, make the specified range of mobile phone messaging capabilities and telephone communication failure, unable to inbound and outbound, to achieve the mandatory house arrest and has played the role of security. On the premise of security, people could centralized control the  cell phone jammer . This product is designed specifically for the exam venue, to adapt to today's popular trend in 3G, 3G mobile phone with a separate shield design with simple operation, easy installation, shielding effect is good. It near the radius of the vehicle range of 1-20 m (50-200 m) within the cut off GSM/DCS/CDMA/PHS/3G phone signal, the phone can not play and listen, but does not interfere with other electronic equipment, phone cut off to leave the range, you can resume normal use.