Power Adjustable Cell Phone Signal Jammer

  • It can provide 24/7/365 jamming even in a constant cooling system.
  • Output power adjustable design makes the jammer more user-friendly.
  • Each frequency channel can be controlled separately and simultaneously.
  • Totally with a 40Watt high output power makes a more efficient jamming.
  • Shielding range can be up to 50M.
  • Up to 8 bands frequency bands, including all the 4G 3G 2G cellular phone bands, with GPS or Bluetooth optional.

We strongly recommend this high-quality jammer. It is easy to use, superior design. It is a sophisticated high-power desktop cellular phone GPS Wi-Fi jammer. It can be used for all the worldwide network frequency system. It is the best choice for meeting room and testing room applications. You can adjust or turn off any single band without influencing the other bands operation.



  • The school’s examination room
  • Various large, medium and small meeting rooms, concert halls, theaters of party and government agencies and enterprises
  • Detention centers, labor reform teams, large, medium and small prisons, troops
  • Inflammable and explosive places such as gas stations, oil depots, oil fields, gas stations, etc.


Specifications of Signal Jammer
Jamming objectiveAll types of cell phone, Wi-Fi, GPS
Jamming frequency1st channel: 850-894MHz

2nd channel: 930-960MHz

3rd channel: 1805-1880MHz

4th channel: 1900-1990MHz

5th channel: 2110-2170MHz

6th channel: 2400-2500 MHz

7th channel: 2300-2400MHz

8th channel: 2620-2690MHz

*Customized from 400-2500Mhz

Jamming radius1-50 meters
Maximum output power of single channel5W+/-200mA
Power supplyAC110-220V
Power outputDC5V 12A
Total output power40W
Operating temperature-10℃~55℃
Relative humidity≤90%(RH)



  • This product can be directly fixed on the wall or ceiling with screws. The surface temperature of the product can reach 50℃, so please stay away from objects with low heat resistance.
  • Installation height: 1.0-2.0 meters is the most effective
  • Installation direction: Do not point the antenna of the mobile phone signal jammer to the direction of the mobile phone base station, otherwise it will affect the use effect.