Adjustable 3G 4G Signal Jammer For WiFi LOJACK UHF VHF With Remote Control
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Basic Infomation
Place of Origin: China
Certification: CE
Model Number: JM081112
High Light:

cell phone signal blocker jammer


mobile phone jamming device

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
Shielding Radius: 20-60 Meters
Jam Signal Type: Full Bands Mobile Phone 4G/3G/2G+WiFi(2.4G,5.8G)+Lojack/UHF/VHF
Output Power: Total 65-71W
Cooling System: Build-in 5 Cooling Fan
Dimensions: 355x 238x 60mm(not Include Antenna)
Warranty: One Year From Delivery Date
Product Description

Adjustable 3G 4G Signal Jammer WIFI LOJACK UHF VHF Jammer with Remote Control




12 chancel design
Jamming up to 60m (Still depends on the strength signal in given area)

External Omni-directional antennas all the TX frequency covered down link only

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

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

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



It can be applied at meeting rooms, conference rooms, museums, galleries, theatres, concert halls, churches, temples, restaurants, classrooms, training centers, factories, banks, trains, bus and more Places that require silence, confidentiality and information security

For some locations of special purpose such as hospitals, gas stations and more, please do field test first to make sure no interference happened to the normal operation of their equipment and instrument


Key technical specifications


Jam Signal Type: Full Bands Mobile Phone 4G/3G/2G+WiFi(2.4G,5.8G)+Lojack/UHF/VHF
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


  • Jammer Host
  • Remote Control
  • Antenna
  • AC Adaptor


Adjustable 3G 4G Signal Jammer For WiFi LOJACK UHF VHF With Remote Control 0

Adjustable 3G 4G Signal Jammer For WiFi LOJACK UHF VHF With Remote Control 1

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