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Powerful UHF VHF Jammer Adjustable Cell Phone Blocking device Radio Frequency Blocker Wifi Jamming device High-performance GPS jammers

Latest 12 Antennas Adjustable Power UHF VHF Jammer blocks 2G 3G 4G WIFI GPS Lojack

  • 977.69
  • $1377.69


  • DJ-12

Are you still troubled by the ubiquitous mobile phone signals and radio signals around you? Then this newly designed 12 Band Adjustable GSM 3G 4G LTE WIMAX WIFI GPS Lojack UHF VHF Jammer with the powerful features you need is definitely the right choice for you.

This 12-antenna high-power signal jammer has the latest design and can block CDMA, DCS, GSM, 3G, 4G, GPS, WIFI, UHF, VHF, Lojack, 315mhz and 433mhz radio signals. Depending on the surrounding signal strength, the maximum interference distance can be up to 50 meters. Even more powerful, this desktop phone jammer uses adjustable buttons, allowing users to easily adjust the power as well as the jamming distance and jamming frequency band. Also because of the on-board charger design, this high-performance adjustable signal blocker can also be used in cars.

Product Highlight:

  • Good cooling system with built in fan
  • Each individual band can be adjusted or turned off without affecting the operation of the other bands
  • Non-stop work
  • stable ability
  • The car charger (optional) can be used directly in the car.


1. GSM 920-960 MHz
2. DCS 1800-1990 MHz
3. 3G 2100-2180MHz
4. 4G LTE: 2500-2690MHZ
5. Lo-jack 170-175 Mhz
6. WIFI: 2400-2500MHZ
7. GPS 1570-1580 MHZ
8. VHF: 135-174mhz;
9. UHF: 400-470MHz;
10. 315Mhz
11. 433Mhz
12. 4G1 LTE: 700-805 or 790-826MHz

Total output power: 28.5 W
Interference range: up to 50 m, the interference radius still depends on the signal strength in a certain area
External omnidirectional antenna, covering the entire TX frequency just by connecting
Power supply: 50 to 60 Hz, 100 to 240 V AC with power adapter (AC100-240 V-DC 12 V)
Dimensions: 330 x 238 x 60 mm
Fully adjusted weight: 6.5 kg
Warranty period: 1 year

Scope of application:

It can be used in meeting rooms, conference rooms, museums, galleries, theaters, concert halls, churches, temples, restaurants, classrooms, training centers, factories, banks, trains, buses and other places that require quietness, confidentiality and information security.

In some special-purpose places, such as hospitals, gas stations, etc., please conduct an on-site test first to ensure that it does not interfere with the normal operation of its equipment.

Package Lists:

12 Band UHF Jammer x 1
Power Adapter x 1
Car adapter (optional) x 1
Antenna x 12


1. The jammer matches the frequency bands of different countries. Please confirm that the country of purchase is the same as the country of actual use. Otherwise it cannot be used. Please read jammer features before purchasing.
2. When low-power jammers (such as hand-held jammers) block high-power signal devices (such as high-power WIFI routers, Bluetooth audio devices, etc.), the effect will be poor, or even unable to interfere.
3. Do not use while charging.
4. Do not use handheld jammers as desktop jammers
5. Do not use the jammer until the antenna is connected.