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High Tech 20 Watt VHF / UHF / GSM Cell Phone Signal Jammer For Schools

High Tech 20 Watt VHF / UHF / GSM Cell Phone Signal Jammer For Schools

    • High Tech 20 Watt VHF / UHF / GSM Cell Phone Signal Jammer For Schools
    • High Tech 20 Watt VHF / UHF / GSM Cell Phone Signal Jammer For Schools
    • High Tech 20 Watt VHF / UHF / GSM Cell Phone Signal Jammer For Schools
  • High Tech 20 Watt VHF / UHF / GSM Cell Phone Signal Jammer For Schools

    Thông tin chi tiết sản phẩm:

    Place of Origin: China
    Hàng hiệu: DEZHEN
    Chứng nhận: ROHS/FCC/ISO 9000
    Model Number: DZ-808S-14

    Thanh toán:

    Minimum Order Quantity: 10 PCS
    Packaging Details: Packed in neutral carton
    Payment Terms: T/T
    Supply Ability: 100 pcs per month
    Liên hệ với bây giờ
    Chi tiết sản phẩm
    Model: DZ-808S-14 jamming range: 1-50m
    color: white total RF power: 20watts
    power consumption: 60watt


     VHF /UHF/ GSM /WIFI/ LTE /4G  radio frequency  jammer with 14 antennas for police​




    This full spectrum signal jammer is with 14 channels. RF output power of each channel   is no less than 1 watt, effective shielding any cheating signal.And one important thing is :the antenna is hidden inside,cut all the signals but not easy be found where the jammer is.


    The jammer adopts DC 19 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.


    Two mute fans instant remove the power amplifier heat, to ensure the stability of the host long continuous operation.


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





    Output port


    Average out-

    putting power

    Channel out-

    putting power


    135-200 MHz




    200-300 MHz




    300-400 MHz




    400-500 MHz




    500-600 MHz




    600-700 MHz




    700-800 MHz




    851-894 MHZ

    30dBm 3dBm/30KHz(min)
    GSM 925-960 MHZ 30dBm 3dBm/30KHz(min)
    DCS 1805-1990 MHZ 30dBm 3dBm/30KHz(min)
    3G 2110-2170 MHZ 30dBm 3dBm/30KHz(min)
    WIMAX 2300-2400 MHZ 30dBm 3dBm/30KHz(min)
    WIFI 2400-2500 MHZ 30dBm 3dBm/30KHz(min)
    4G 2620-2690 MHZ 30dBm 3dBm/30KHz(min)

    Power supply: AC adapter   (AC220V-DC19V)    Weight :3.5kg

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

    Working Hours:Continuously more  than 24hours  Power consumption :80watts

    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.  this jammer is with 14 bands ,can block all mobile signal and radio signal .

    7. the antenna could be designed inside or expose to the air! 



    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.



    Chi tiết liên lạc
    Shenzhen Dezhen Telecommunication Technology Co.,Ltd

    Người liên hệ: Boss Yuen

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