4 Antennas GSM 3G Full Band Smartphone Jammer with Optional Jamming Range

Signal Jammer Description:

Due to the highly development of the technology, a lot of advanced jammer products have come into the market and also there are various types of adjustable output power jammers in the markets and here this 4 Bands Powerful Desktop adjustable output power Signal Jammer GW-JB4A being introduced here is the newly type and owns powerful ability and it can work continuously.

The Signal Jammer GW-JB4A has 4 antennas supporting 4 frequencies of GSM, DCS, WCDMA, PCS, WiFi, GPS and any other frequencies can be customized.

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 10w , make more efficient jamming.

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

7. Four 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.

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.

Signal Jammer Specification.

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

GW-JB 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.

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.

   Shenzhen Greetwin Technology Co., Limited is one of the leading suppliers which specializes in designing and manufacturing RF Jamming Equipment and Wireless Coverage Products.

   Wireless Coverage Products include 2G 3G 4G LTE 5G RF Repeater.

   The RF Repeater solutions will bring smooth and clear calls, support all bandwidths and mobile standards including TETRA, iDEN, LTE700, GSM850, EGSM, GSM900, DCS1800, PCS1900, CDMA800, CDMA450, LTE 4G, CDMA2000, 3G(WCDMA), LTE2600 and TDD-LTE series.
 

   Such as, Wide band Repeater, Band selective Repeater, Digital Repeater, High Power Outdoor Repeater, Fiber Optic Repeater, ICS Repeater, Consumer Signal Booster, Power Amplifier.

We are committed to providing the best solutions for mobile operators, offering OEM and ODM service. Products can be customized according to different operators in the world and the output power are available from 0.01W to 20W.

   RF Jamming Equipment include Cell Phone Signal Jammer, RF Communication Jammer(20-6000MHz) and 20-200W Power amplifier.

   GREETWIN is the foremost innovator in the field of RF jamming, offering a comprehensive range of jamming equipment and systems which have a proven record of reliability and performance in all types of applications and environmental conditions.

   In countering the ever-growing threat of remotely controlled improvised explosive devices (RCIEDs), we has invested heavily in the development of a range of multi-band, very-high-power jamming systems for the protection of troop transportation, military and police checkpoints, large governmental establishments, bomb disposal squads and VIP convoys.

   Such as, 5KM Drone jammer, UAV jammer, High power bomb jamming devices, Military IED jammers, Digital programable jammer, VIP Convoy Bomb Jammers (RCIED Jammers), Mobile Phone Signal Jammers, Prison Jammers, Portable Jammers, Handheld Jammers, to suit all types counter terrorism activities.

   Our clients are government agencies, military, SWAT team, prison, school, bank, law enforcement and VVIPs. We also serve corporations and private individuals who must take responsibility for protecting assets, proprietary information, executives and family members.

  GREETWIN products have been exported to more than 60 countries and regions around the world. Such as Southeast Asia, Africa, Europe, South America and the Middle East.

  Let us hand in hand and create a glorious cause!