In some specific condition such as in the class and the meeting room, people need to pay full attention to what is being said and then thinking about it. But on the contrary in most situations a lot of people who are in deep thinking are disturbed by the noises of the phone calls. To prevent this situation from happening, the cell phone jammers have been applied to solve the problem. And for people who do not want other to know that the cell phone jammer has been used this World Wide Hidden Style 3G Mobile phone Signal Jammer with Cooling Fan is perfect.
This hidden style mobile phone jammer is designed to cut off the signals of the mobile phones only and it can block the CDMA GSM DCS PCS 3G mobile phones signals at the meanwhile with powerful jamming effect, because based on the signal strength in the given area the jamming radius of this cell phone signal jammer is can reach 15 meters. Since the design of built-in antenna makes it not easy to be discovered by others and possessing the cooling fan inside enables this 3G mobile phone signal jammer to work 24/7 continuously without causing high temperature.
Just turn on this hidden style mobile phone jammer soon the 2G 3G mobile phone signals will disappear, and the quiet and safety condition will come to you soon.
Isolating Signal Bandwidth:
Single output power:+35dBm / 800mW
Total Output power:3W
Power Source:AC adapter (AC110V-240V DC5V)
Antenna: Built-in antenna
Jamming range:Radius 1-15M(the Cellular signal must