250 Watts Portable Signal Jammer Cell Phone Blocker 2G / 3G /  4G For Police Station
250 Watts Portable Signal Jammer Cell Phone Blocker 2G / 3G / 4G For Police Station

250 Watts Portable Signal Jammer Cell Phone Blocker 2G / 3G / 4G For Police Station




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.And also              it can design with 24V DC power supply. 

       3. this jammer can be customized as 4 0r 5 or 6 bands ,and each band could be 50 watts or                            100watts as customer’s  request.




Output interface

Shield band of frequency

RF output power

Output power/channel


851-894 MHz

46 dBm

17 dBm/30KHz(min)


1805-1880 MHz

46 dBm

14 dBm/30KHz(min)


2110-2170 MHz

46 dBm

15.5 dBm/30KHz(min)


2100-2170 MHZ

46 dBm

15.5 dBm/30KHz(min)


925-960 MHz

46 dBm

17.5 dBm/30KHz(min)

Power supply: AC110-220V Shielding area: 30-500M @ according to signal density of mobile network

Power consumption: 720W  Weight:22Kg  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.
  7. The frequencies could be customised as customer's requirement.





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.


signal blocker 4g

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