Custom Desktop 2G / 3G Cell Phone Signal Jammer For School / Office
Custom Desktop 2G / 3G Cell Phone Signal Jammer For School / Office


8 antennas  mobile phone signal  Jammer, 2g / 3g / 4g jammer,for school,office




This desktop signal jammer is with 8 output channels. Rf output power of each

channel is no less than 1 watt, effective shielding any cheating signal.


The jammer adopts DC 19v power supply. It is equipped with a precision voltage regulator circuit, even if the voltage fluctuation is changeable, it also won't affect the normal work .


Host cooling structure of shell is by professional design. It can endure high temperature environment, by transferring heat quickly to the heat exchange surface, avoid heat local  accumulation.

The style is concise, beautiful, generous but  not breaking vogue.

it is suitable for use in school examination rooms, prisons, clubhouses and government departments.




Output port


Average out-

putting power

Channel out-

putting power


851-894 MHz




925-960 MHz




1805-1990 MHz




2110-2170 MHz




2400-2500 MHz




1570-1580 MHz




400-470 MHz




136-174 MHz



Power supply: AC adapter   (AC220V-DC19V)

Semidiameter of interception:2m-50m(depend on site signal strength and environment condition)

Working Hours:Continuously more  than 24hours

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




Competitive Advantage:


  1. Design of soft-start circuit, this function can maintain the stable operation condition, avoid mechanical switch to produce lighter phenomenon.
  2. with good cooling system, can operate for long time.
  3. It is a high-tech product made by our company .it adopts  foreign advanced technologyand imported components to ensure the quantity and stability.
  4. Effectively making subsections of frequency spectrums, just interfering downlink and causing no interception of base station
  5.  Perfect Alarm System, fully protected circuit in case of disconnection of antennas. 
  6.  Perfect Alarm System, fully protected circuit in case of disconnection of antennas.




1. Conference room, auditoriums, law court, library, exam room, school, cinema, theater, museum,                 hospital etc.
2. Places where using mobile phones is prohibited such as Service Station, Security Services, Military           Units, Border Patrol and Drug Enforcement, Customs, etc.



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