A rf signal jammer with gps signal jamming, can block the operation of undesirable nearby frequencies. As a result, they can effectively disrupt and block certain wireless devices in a defined area. They offer the possibility of disrupting wireless eavesdropping devices and effectively jam the frequency signals of wireless attackers.

Portable 16 Band RF Jammer

For 2G, 3G, 4G, WiFi, GPS, VHF, UHF, LoJack, RC

6725 Sq Ft – 82 Feet Jamming Radius

The Most Preferred Jamming Method To Insure RF Privacy

Are you thinking about using a RF jamming device? They are commonly used to disrupt radio signals and deny access to a specific area or frequency and are most commonly used by private security personnel. There are a few different types of RF jammers, but the most common are those that emit electromagnetic interference (EMI) signals that can block the transmission of radio frequency signals.

Discrete and Effective

Frequency Jammer Technology

Indoor/Outdoor Usage

There are a few different reasons why someone might need to use an RF Jammer. For example, they may need to block transmissions from a unfriendly location. To help you better decide, consider the many benefits and options to see which works best for your situation.

  • Personal Discrete Usage
  • Insure Your Personal Privacy
  • Protect Against Cyber Attacks
  • Guard Against Unauthorized Eavesdropping
  • Protect Against Unauthorized Surveillance
  • Guards Against Electronic Harassment


Technical Benefits:
Model: A-7781
Exterior: Made of Durable Military Grade Exterior Shell
Protection: Waterproof, Dust-proof, Anti-corrosive, and Heat-Resistant
Performance: Long Range Performance
Size : 190x126x46mm – 7.5 x 5 x 1.8 inches
Power supply: 120/240 Volt AC – DC 12V Adapter
Weight: 2.1 Lbs.
Interior Cooling System:  Built-in Cooling System
Effective Jamming Radius:  6725 Sq Ft – 82 Feet Jamming Radius
(effective jamming range depends on ambient environment and obstacles)
Installation: Portable or Desktop Installation

Jamming Capability
2G, 3G, 4G, WiFi, GPS L1-L5, UHF, VHF, LoJack, Etc..

North American Frequency Coverage

Jamming frequencies range:
4G 700 or 800: 700-805 or 758-821 MHz
4G 1700or GPS L3L4: 1710-1780 or 1370-1390 MHz
4G 2600 or 4G 2300: 2500-2690 or 2300-2400 MHZ
4G 1700: 1710-1780 MHz
3G: 2110-2170 MHZ
GSM & LORA: 925-960 MHz
CDMA & 868: 850-894 MHz
GPS L1: 1570-1580 MHz
GPS L2, L5: 1170-1280 MHz
WIFI 2.4G: 2400-2500 MHz
WIFI 5.8G: 5725-5850 MHz
RC 315: 315 MHz
RC 433: 433 MHz, RC 868 MHz
UHF & CDMA 450: 400-470 MHz
VHF & LOJACK: 135-175 MHz
DCS/PCS:1805-1880/1920-1990 MHz
Output Power Total 16W,1W each band with 2dbi
gains omni-directional antennas

(Custom frequencies for Europe, Asia, Etc., are available and can be added)

Complete Package Includes:
1 * 16 Band Jammer
1 * 16 Antennas
1 * Instruction Manual
1 * Power Adapter with Charger
1 * Built-in Lithium Battery 7.4V/12000mAh
(Battery usage is up to 2 hours on a single charge)
1 * Sturdy Carry Case
(Compatible power plug is included for country of usage, USA, Canada, Britain, Australia, etc.) (Handheld portable models comes with DC adapter)

Usage Instructions:

  1. Open the box and Inspect the contents of the package
  2. Read the easy instructions for care and usage
  3. Install the exterior antennas on the unit, if needed for some models
  4. For wall or desktop RF jammers, make sure your device has adequate air flow for proper ventilation, usage, cooling and longer life expectancy
  5. For portable models, make sure your device has access to adequate air flow for proper ventilation, usage,  cooling and longer life expectancy


1. Jammer functions: full bands mobile phone 4G/3G/2G + WiFi 2.4G/5G + GPS L1-L5 + UHF/VHF Walkie-Talkie + LoJack + Remote Control: 433/315/868
2. Jam radius:2-25 meters
3. Cooling System: high-efficiency aluminum alloy radiator, Build-in cooling fan
4. Built-in battery:7.4V/12000mAh
5. Product Size:19 x 12.6 x 4.6cm
6. Handheld design, 16 bands all-in-one frequencies blocking all cell phone signals, LoJack GPS, Wi-Fi, RF signals
7. 16 watt high output power and high gain antennas, Jamming range 2 to 25 meters (at-75dBm, depending on signal strength in given area)
8. with Nylon Cover Hang or wear on the arm or belt, easy to carry on
9. With DIP switch, can turn on/off any signal band without affecting other bands
10. With car charger, can used in car directly, 12V DC/AC power supply is also available


All Frequency Jammer

6 reviews for Signal Jammer For 2G 3G 4G WiFi GPS LoJack With 16 Antennas

  1. Romona

    Really easy to use frequency jammer, ready to use straight out the box and a handy thing to have.

  2. Russell

    A very nice, neat frequency jammer, does the job very well.

  3. Kenneth

    Getting it all delivered was easy. This frequency jammer gets the job done well and as specified. Thanks a lot!

  4. Lilian

    It’s great and works well for me as a frequency jammer. And better than the other I used. Thanks!

  5. Paulina

    It gets the job done nicely and as intended. Its nice to have this frequency jammer.

  6. Tameika

    This is the best radio frequency jammer I have ever had or used.

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