Item Description
505A High Power big Mobile cell Phone GSM+3G Signal Jammer with Remote Control

It can be applied at meeting room, conference room, museum, gallery, theatre,concert hall, church, temple, restaurant, classroom, training center, factory, bank, train, bus, etc. For some locations of special purpose such as hospital, gas station, etc., please do field test first to make sure no interference happened to the normal operation of their equipment and instrument.It’s easy to install and operate the device
Specification:
• Isolation signal frequency:
• CDMA:869-894MHZ
• GSM:920-960MHZ
• DCS:1805-1850MHZ
• PHS:1900-1980MHZ
• 3G:2110-2170MHZ
• Power supply: AC adapter
• Shielding Radius: Shielding Radius: (20-50) meters ,-75dBm Rules of installation: UL (E190582) CSA (LR 112971 Level 3)
• Remote control: Can up and down the power , Can open and close the Jammer
• Dimension: 233*33*106mm
• Working time: Without the time limit, May continue to work,
Accessories:
Cellular phone jammer 1pcs ,
AC/DC adapter 1pcs,
The manual 1pcs,
Steel frame of installation 1pcs ,
Remote control 1pcs ,
Antenna 4pcs
Warning: Do not to use this product for any illegal purpose, otherwise you may be subject to prosecutions under applicable laws. You should be aware that we are obliged to provide the information in connection with your purchase of this product to relevant administrative and judicial authorities at their request.

Use more easy,only two steps:
The first step: connect with antenna of the jammer
The second step: turn on the button,ok!