12W Five Antennas 2G 3G 4G Mobile Phone Jammer / GPS WiFi Signal Blocker

Basic Information
Place of Origin: Shenzhen,China
Brand Name: GREETWIN
Certification: SGS, ISO9001
Model Number: GW-JB5F
Minimum Order Quantity: 1PCS
Price: Negotiable
Packaging Details: Carton with PE Foam
Delivery Time: 3 Working Days After Received Payment
Payment Terms: T/T, L/C, Western Union, MoneyGram
Supply Ability: 5000pcs per Month
Product Name: 12W Desktop Cell Phone Signal Jammer Advantage: The Blocking Range Can Be Adjusted
Jamming Range: 2-40 Meters Depending On The Signal Strength Size: 210x185x50mm
Antennas: 5 PCS Omni Antennas Power Supply: AC110-220V±10% / DC5V
Output Power: 12W Working Time: Working Continuously
High Light:

cell phone signal scrambler


cell phone blocker jammer

12W Five Antennas 2G 3G 4G Mobile Phone Jammer / GPS WiFi Signal Blocker


Signal Blocker Introduction:

This jammer is one of our most popular combination units, this powerful GPS and mobile jammer will silence all nearby mobile phones, and block GPS signals, up to 40 meters away (this depends as always on local signal strength).
An excellent combination of both cell phone and GPS jamming, it can provide you with an adjustable switch for each bands, so it is easy for uses to change the blocking range.
All jammers get hot, and desktop units are designed for long time continuously work without stop
Make a good choice for the this Cell Phone and GPS Jammer which has a built in cooling fan.
The charging light turns from red (while charging) to green (full charge reached) for a quick visual display of charging status.


We also have a lot of high quality products on this website and we will be grateful if you can browse more products.

Need mobility? Please browse our portable mobile blocker section.
As always, if you have any questions we are happy to assist you.


Signal Blocker Features.

1). Two inside big cooling fans and good heat sink design

2). The 12watt design high power ensure efficient jamming effect

3). One year warranty from delivery date

4). Long time work continuously without stop

5). 2-40 meters depending on the signal strength in given area

6). Each antennas has separately switch to change the range

7). Can customize other cellular standard in the world.

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

Signal Blocker Applications:
For meeting rooms, conference rooms, museums, galleries, theatres, concert halls and churches


Signal Blocker Specification.


Output port Frequency Average output power Output power
CDMA800 851-894MHz 35dBm 3W
GSM900 925-960MHz 35dBm 3W

DCS1800/ PCS1900




33dBm 2W
3G 2110-2170MHz 33dBm 2W
GPS (Optional) 1500-1600MHz 33dBm 2W
WIFI  2400-2500MHz 33dBm 2W
Total Output Power 12 Watt
Power Supply AC110-240V,DC 5V/10A
Power consumption 40 Watt
Weight 2.9kg
Size 210*180*50mm
Running temperature -10℃ to +55℃
Humidity 5% - 95%
Complete accessories Five omni-directional antennas, Power cable, Remote control, Fixed Mount
Jamming range(Radius) 5 - 40meters , depend on local signal strength



12W Five Antennas 2G 3G 4G Mobile Phone Jammer / GPS WiFi Signal Blocker 012W Five Antennas 2G 3G 4G Mobile Phone Jammer / GPS WiFi Signal Blocker 1

Contact Details

Phone Number : +8615112267605

WhatsApp : +8615112267605