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3G 4G Adjustable RF Blocker , Mini Portable Mobile Phone Signal Jammer for Schools

Categories Cell Phone Signal Jammer
Brand Name: GREETWIN
Model Number: GW-JB5A
Certification: SGS, ISO9001
Place of Origin: Shenzhen,China
MOQ: 1pcs
Price: Negotiable
Payment Terms: T/T, L/C, Western Union, MoneyGram
Supply Ability: 5000pcs per Month
Delivery Time: 3 Working Days After Received Payment
Packaging Details: Carton with PE Foam
Product Name:: 3G 4G Adjustable Signal Jammer
Frequency range: 3G 4G or other frequencies can be customized
Application: Libraries, Theatres, Schools
Antenna: 5 pcs of omni antenna
Operating Humidity:: 5% - 95%
Jamming range: 2 - 40meters , depend on the signal strength
Output Power: 12.5W
Working Time: Continuous working
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    3G 4G Adjustable RF Blocker , Mini Portable Mobile Phone Signal Jammer for Schools


    3G 4G Adjustable RF Blocker , Mini Portable Mobile Phone Signal Jammer for Schools


    Mobile Phone Signal Jammer Description:


    If you are looking for a top-of-the-line cell phone jammer, you might be interested in an adjustable model.

    Adjustable cell phone jammers are considered to be the most sophisticated type of jammer on the market today. This is because they are fixed units that contain adjustable settings, making it possible to keep cell phone chatter and disturbances away from large areas restricted from areas considered to be Mobile Free Zones


    This is a desktop adjustable ouput power jammer, what is different from many other type of desktop adjustable output power jammers in the market is that it owns powerful jamming effect and ability. This is a 5 bands adjustable output power jammer so that it can cut off the 3G, 4G or other customized Signals very easily, and since designed with high quality the jamming radius is up to 40 meters at most according to the signal strength.


    Mobile Phone Signal Jammer Features:

    1. Good cooling system,Jamming range up to 40m.

    2. Working 24 hours continuously.

    3. Turn on/off by remote control

    4. Stable capability, cost-effective choice

    5. Output power 12.5w , make more efficient jamming.

    6. Heat sink case makes the jammer work in a more stable and cool situation.

    7. Five channels with different frequency range,

    or customize other cellular standard in the world.

    Such as Walkie Talkie,450MHz,GPRS,iDEN,GPS, Galileo,Compass,Glonass,UMTS,WiFi,AWS,LTE 4G.

    8. Transmit noise signal to cut off all communication between cell phone and Base station.

    The jammed cell phone will show “No Service” .

    will not be able to receive or dial outgoing calls.


    Mobile Phone Signal Jammer Application:

    Theatres, offices,Meeting Room, Oil and Gas Storage Facilities and fields, Hospitals,
    Recording Studios, Banks, Contract Tendering Rooms, Churches, Conference
    Rooms, Classrooms, Testing Facilities, Security Services, Military, Secret
    Services, Libraries, Museums, Courts, Border Patrol and Drug Enforcement,

    Customs, House, mosques, Libraries, Prisons, etc.

    Mobile Phone Signal Jammer Specification.


    Only interfere downlink frequency of mobile system, can’t affect normal operation of Base Station.


    GW-JB5A is a sophisticated high power desktop cellular phone jammer.

    It can be used for all the worldwide network frequency system.

    It is the best choice for Conference rooms, and offices.


    Output port

    Frequency

    Average output power

    Output power

    CDMA800

    851-894MHz

    35dBm

    3W

    GSM900

    925-960MHz

    35dBm

    3W

    DCS1800/ PCS1900


    1805-1880MHz/

    1930-1990MHz

    33dBm

    2W

    3G

    2110-2170MHz

    33dBm

    2W

    GPS (Optional)

    1570-1580MHz

    33dBm

    2W

    WIFI (Optional)

    2400-2500MHz

    33dBm

    2W

    Total Output Power

    12.5Watt

    Power Supply

    AC110-240V,DC 5V/8A

    Power consumption

    30 Watt

    Weight

    3.0kg

    Size

    210*170*50mm

    Running temperature

    -10℃ to +55℃

    Humidity

    5% - 95%

    Complete accessories

    Four omni-directional antennas, Power cable, Remote control, Fixed Mount

    Jamming range(Radius)

    2 - 40meters , depend on local signal strength


    This device pack in a strong safety box with PE foam inside.

    It gives top-class protection to the terminator device, and allows you to carry it easily like a big suitcase.


    Whip Antenna Specifications


    Frequency Range

    The same as the jammer channel

    Impedance

    50 Ohm

    VSWR

    <1.5

    Gain

    2-3dBi

    Polarization

    Vertical

    Radiation Direction

    Omni

    Max. Power

    50 W

    Connector

    SMA

    Color

    Black


    Quality 3G 4G Adjustable RF Blocker , Mini Portable Mobile Phone Signal Jammer for Schools for sale
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