• Portable Armband Hidden GSM 3G 4G GPS Blocker or WiFi Jammer
  • cell phone blocking device
  • gsm signal killer
  • cell phone gps jammer

Portable Armband Hidden GSM 3G 4G GPS Blocker or WiFi Jammer

Availability:In stock


Free Shipping  VAT Exempt  20 Meters  37% OFF


If you can't find the configuration you like, please contact us for personal product customization. service@jammer-buy.com


Price : $425.89 |   $680.99


Product Description:

If you want to choose a high quality cell phone frequency jammer that can interfere with all cell phone signals,here you can find it.It not only jamming all the cellular signal,it also blocking wifi signal or gps frequency. And its antenna can be hidden or exposed. So it has portable and light weight features. Make it easy to use in any outdoor situation and tie it to your arm. The interference radius is about 20 meters, which is enough to keep you in a good environment with no noise and no tracking. In addition,with  cooling fans and heat sink design inside,  the device can work continuously. After working for two hours, the surface temperature of machine is no more than 45 degrees.



Wide jamming radius

Antenna can be hidden or exposed with antenna cover

With internal rechargable battery .Simple to be replaced

Car charger is available.


Frequencies Supported:


851 - 894MHz


1920 - 1990MHz


2110 - 2170MHz


725 - 775MHz


2400 - 2500MHz


1570 - 1580MHz


Product parameters:

Jamming radius: Up to 20 meters (depending on the signal strength in the given area)

Power supply: AC110 - 240V  12V   

Built-in Battery: 3000mAh

Weight : 900g

Working temperature: -20 ° C  ~  +65 ° C

Dimensions: 230 x 90 x 50 mm



Police, a bomb disposal team, special police, special police, military security forces, the bomb squad, anti-terrorism forces, drug control forces, border guards, checkpoints, conference rooms, hospitals, Banks, churches, conference room in the classroom and so on, these types of law enforcement officers from existing portable radio frequency interference solution of deployment of a state, benefit, they can more effectively implement law enforcement procedures, in order to reduce the criminal reveal that information.


Packing list:

1 * Handheld signal jammer

1 * AC power adapter

1 * Car charger

1 * Portable arm package


Product Images:

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