Adjustable 12 Antennas UHF VHF Jammer For Blocking Cellphone WiFi / LOJACK Signal
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Basic Infomation
Place of Origin: China
Certification: CE
Model Number: JM081112
High Light:

cell phone signal jamming device


mobile signal jammer

Payment & Shipping Terms
Packaging Details: Carton with Netural Packing
Delivery Time: 1-3 Working Days
Payment Terms: T/T, Western Union, MoneyGram, Paypal,L/C
Supply Ability: 5000pcs per month
Jam Radius: 20-60meters
Working Time: Not-stop Working
Cooling System: High Efficiency Aluminum Alloy Radiator, Build-in5 Cooling Fan
Power Supply: AC110-240V To DC24V
Product Size: 355x 238x 60mm(not Include Antenna)
Product Weight: Appr.5.0kg
Product Description

Adjustable 12 Antennas UHF VHF Jammer Blocking All Cellphone WIFI LOJACK Signal​



Product Description


Suitable for: Police and Meeting Room, Security Services, Military Units,Prisons, Banks, Churches, Conference Rooms, Classrooms, Secret Services, News Conference Rooms, Libraries, Museums, Customs, Houses, Car.


Basic Specifications


Jam Radius 20-60meters
Cooling System High efficiency aluminum alloy radiator, Build-in 5 cooling fan
Jam Signal Type Full Bands Mobile Phone 4G/3G/2G+WiFi(2.4G,5.8G)+Lojack/UHF/VHF
Power Supply AC110-240V to DC24V
Output Power Total 65-71W,4-8W each band
Working Time Not-stop Working
Product Size 355x 238x 60mm(not Include Antenna)
Product Weight appr.5.0kg



Build-in AC110-240V to 24V adapter,Safe and easily use

2-5meters with Infrared Remote Control Turn ON /OFF Power

Can adjust or turn off any single band without influencing the other bands operation

Built-in good cooling system inside 5 fans, Working non-stopped

12 chancel design, 4-8 watt each band
High output power, Total up to: 70W, jamming up to 60m (Still depends on the strength signal in given area)

External high gain 3-5dbiOmni-directional antennas all the TX frequency covered down link only

Independent module designwith frequency source of each channel, easy maintenance (if have any damaged frequency band, replace with new PCB directly, no need for professional equipment such as frequency analyzer)


Key technical specifications


Channel Output port Frequency range Average out-putting power
1 CDMA 851-894MHz 39dBm/8W
2 GSM 925-960MHz 39dBm/8W
3 DCS or PCS 1805-1880 or 1920-1990MHz 37.8dBm/6W
4 3G 2110-2170MHz 37.8dBm/6W
5 4G1 LTE 700-803 or 790-862MHz 39dBm/8W
6 4G LTE1700 1700-1800MHz 37.8dBm/6W
7 4G Wimax 2500-2690 or 2300-2400MHz 37dBm/5W
8 WIFI2.4G 2400-2500MHz 37dBm/5W
9 WIFI5.8G 5725-5850MHz 36dBm/4W
10 LOJACK 167-175MHz 37dBm/5W
11 VHF 135-174MHz 37dBm/5W
12 UHF 400-470MHz 37dBm/5W
Power supply: Build-in AC adapter 50 to 60Hz, (AC110-240V IN,DC24V working)
Dimensions: (length ,width, height) 355x 238x 60mm(not Include Antenna)
Packing size: 47x42x11.5cm Net weight: 5kg Gross weight: 5.5kg
Total power:71W
Shielding radius: (20-60) meters At -75dBm
Still depends on the strength signal in given area, Shielding radius of VHF/UHF signal about 20meters


Package Content


  • 1 x Jammer Host
  • 12 x Antenna
  • 1 x AC Adaptor
  • 1 x Remote Control


Adjustable 12 Antennas UHF VHF Jammer For Blocking Cellphone WiFi / LOJACK Signal 0

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