240W Rackmount High Power Cell Phone Signal Jammer
240W Rackmount High Power Cell Phone Signal Jammer
2018-04-17 - View 49 all comments
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Product Description

Most of us know that in important places like prisons and museums, actions have always been taken to prevent the message from being given out. What kind of device can install in these places to reach the purpose, the Rackmount High Power Cell Phone Signal Jammer must be the one which is most suitable.

A big merit of this rockmount high power cell phone signal jammer is that each band can adjust RF power output level or turn off without influencing the other bands’ operation. The original antenna is external double channel directional panel antennas and you can select antennas to provide more flexibility regarding jamming coverage. The jamming coverage of this jammer is so strong that the jamming range could reach 500m, but the jamming range is also determined by the strength of signal in given area.

This device can affect five different frequency ranges at the same time, they are CDMA 800(850 to 894MHz), GSM 900(925 to 960MHz), GSM 1800(1805 to 1880MHz), GSM 1900(1920 to 1990MHz) and 3G(2110 to 2170MHz). However if your do not want to shield all the bands, you can choose which band to use according to your requirements and necessary. The total output power of this device is 240V, and power supply is 50 to 60Hz, 100 to 240V AC. There would be AC adapter (AC100-240V-DC27V) to match this 70kg weight jamming device.

Seen from its function this one jamming device is really a good one. If you are looking for one, come here! High quality and reasonable price is our promise.


  • Affected Frequency Ranges:

-CDMA 800: 850 to 894MHz
-GSM 900: 925 to 960MHz
-GSM 1800: 1805 to 1880MHz
-GSM 1900: 1920 to 1990MHz (PCS)
-3G: 2110 to 2170MHz  

  • Total output power: 240W
  • Jamming range: up to 500m, the jamming radius still depends on the strength signal in given area
  • External double channel directional panel antennas all the TX frequency covered down link only
  • Power supply: 50 to 60Hz, 100 to 240V AC
  • With AC adapter (AC100-240V-DC27V),
  • Dimension:588 x 600 x 600mm


  • High Power Cell Phone Signal Jammer
  • Antennas

This product is in stock now, we guarantee shipping within 24 hours and offer 1 year warranty for all our products. Brought to you by the leader in security devices and best Signal Jammers, Jammerall.

Important Notes for Jamming Distance: The jamming distances we mentioned on website are for customer's reference only. The actual jamming distance will be varied depending on the signal strength and the use location and if full charges, etc.

Important Notes for Portable Jammers with No Cooling Fan: Do not use the jammer when it is charging, or it will burn the jammer as it has no built-in fan. If because of this factor due to the broken of the jammer, the customer will lose the authority of free repairation .

phone signal jammer device

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