Adjustable UHF VHF Jammer / 3G 4G Signal Jammer Powerful With 14 Antennas
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Basic Infomation
Place of Origin: China
Certification: FCC/ISO 9000
Model Number: JM1701118
High Light:

cell phone signal jamming device


cell phone reception blocker

Payment & Shipping Terms
Packaging Details: Carton with Netural Packing
Delivery Time: 1-2 working days
Payment Terms: T/T, Western Union, MoneyGram, Paypal,L/C
Supply Ability: 500PCS/Month
Total Output Power: 30-35W
Jamming Range: Up To 50m
Power Supply: 50 To 60Hz, 100 To 240V AC
AC Adapter: (AC100-240V-DC12V)
Dimension: 395x 238 X 60mm
Full Set Weight: 6.5kg
Product Description

Powerful UHF VHF Jammer 3G 4G Phone Blocker WiFi GPS Lojack Signal Jammer
Product Description
The powerful Adjustable 14 Antennas Powerful 3G 4G Phone Blocker& WiFi UHF VHF GPS Lojack All Bands Signal Jammer you are viewing now is in stock and will be newest style and modern signal blocker, which can offer best protection for your privacy and quiet environment. And can far beyond your anticipation.
Generally speaking, current modern and update version jammer can just be done with up to 12 antennas, which will be far more less than people’s demand. Here comes the chance for you, this 14 antennas powerful and adjustable signal blocker will provide better experience and maximum protection, which will greatly cover common signal bands, even the upcoming or can be some countries’ new band, wifi 3.6 , wifi 5.8 , spy camera band and RF signal band 868/433/315MHz. For OEM and ODM requirement, just feel free to contact us and kindly advise your demand.
What is important is that we can customize tailor the frequency bands as you required. Welcome to supply frequencies and we will customize for you.

Total output power30-35W
Jamming rangeup to 50m, the jamming radius still depends on the strength signal in given area
External Omni-directional antennas all the TX frequency covered down link only 
Power supply50 to 60Hz, 100 to 240V AC
With AC adapter AC100-240V-DC12V
Dimension395x 238 x 60mm
Full set weigh6.5kg

Affect frequency

4G LTE725-770MHz
4G LTE790-826MHZ
4G LTE1710-1770MHZ
4G Wimax2345-2400MHz
4G Wimax2620-2690MHz


  • All bands Signal Jammer
  • AC adaptor
  • Car adaptor
  • Antennas

we offer 1 year warranty for all our products. Brought to you by the leader in security devices and best Signal Jammers, Jammerall.
Important Notes for Jamming Distance: The jamming distances we mentioned on website are for customer's reference only. The actual jamming distance will be varied depending on the signal strength and the use location and if full charges, etc.
Important Notes for Portable Jammers with No Cooling Fan: Do not use the jammer when it is charging, or it will burn the jammer as it has no built-in fan. If because of this factor due to the broken of the jammer, the customer will lose the authority of free repairation .
Notes: Before turn on the jammer, you MUST install the antennas according to the mark indicated on the main unit.
 Adjustable UHF VHF Jammer / 3G 4G Signal Jammer Powerful With 14 Antennas 0
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