Prison 2G 3g 4g signal blocker , cell phone blocking device black or camouflage
Prison 2G 3g 4g signal blocker , cell phone blocking device black or camouflage


Prison 2G 3g 4g signal blocker , cell phone blocking device black or camouflage




   This is a portable type mobile phone signal shielding device .It is  easy to carry, flexible to use, also with optional built-in high capacity battery , so it especially suitable for application in: large venue, infantry troop and military security force, the SWAT team, counter-terrorism unit, the drug control unit, explosion-proof, EOD team, checkpoint, the hostage negotiation, and border control, etc.


Functional characteristics:

       1. High RF power, shielding all 2G, 3G, 4G signals, frequencies can be customized by customers.

       2. it can with multiple power supplies :if with built-in battery, it can provide power for the jammer                      working about 2 hours. Also it can be powered by 220V AC or an on-board power supply.

       3. Efficient cooling heat dissipation system ,including high performance aluminum alloy heat sink and              several wind fans, so the jammer can non-stopped work for long time.

       4. this jammer can be customized as 3 or 4 0r 5 or 6 bands ,and each band could be 10 watts or                            15 watts as customer’s  request.

       5. use DDS technology,keep the precision of th e frequencies.



Output interface

Shield band of frequency

RF output power

Output power/channel


851-894 MHz


17 dBm/30KHz(min)


1805-1880 MHz


14 dBm/30KHz(min)


2110-2170 MHz


15.5 dBm/30KHz(min)


2100-2170 MHZ


15.5 dBm/30KHz(min)


925-960 MHz


17.5 dBm/30KHz(min)

Power supply: AC110-220V Shielding area: 30-100M @ according to signal density of mobile network

Power consumption: 200W  Weight:20Kg  Size(length × wind × high):390×390×240mm

Humidity: 30%-95%                   Running Temperature: -20 to +55 Celsius Degree





Competitive Advantage:


  1.   Easy of mobility, can be carried like a trolley.
  2.   High Power RF amplifiers with VSWR and temperature self-protection technology.
  3.   with good cooling system, can operate for long time.
  4.   Using digital interference technology, overall effective suppression of target spectrum
  5.    independent module design. Each module can separate switch,disassemble. So it is                 convenient for maintenance and update.
  6.  Perfect Alarm System, fully protected circuit in case of disconnection of antennas.





large venue, infantry troop and military security force, the SWAT team,

counter-terrorism unit, the drug control unit, explosion-proof, EOD team, checkpoint, the hostage negotiation, and border control, etc.

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