70W High Power Signal Jammer For 4G LTE With Directional Antenna
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Basic Infomation
Place of Origin: China
Certification: CE
Model Number: JM170142
High Light:

mobile phone signal blocker


cell phone signal 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
Affected Frequency: 4G(LTE),3G,DCS/PCS,GSM,CDMA
Power Supply: AC Adapter(AC110/220V-DC27V)
Shielding Radius: 20-100M
Total Output Power: 70W
Size: 34*13*27cm
Weight: 13kg
Product Description

70W High Power Cell Phone Jammer for 4G LTE with Directional Antenna Jammer


Product Description

This 70W High Power Cell Phone Jammer for 4G LTE with Directional Antenna, which owns a total output power of 70W and the output power is adjustable. And as it is a high power one the jamming distance of it can reach 100m and it owns superior ability in jamming 3G cell phone signal.


Besides it is designed with cooling fan inside, which makes it possible to work continuously without causing a high temperature. Apart from this, all the TX frequencies cover downlink only and it possesses the function of jamming cell phone signals of 4G, 3G, CDMA, GSM, DCS and PCS. And it owns the external directional antenna, in this condition it owns strong ability in jamming signals of cell phones in a certain direction that the antenna faces to.


This device is suitable to be used in places like the prison, guard, invigilate meeting room, library, theater, class room and many other places to help create a safe and peaceful environment for people.




Shielding Radius (20-100) meters@-75dBm still depends on the signal strength in given area.
Affected Frequency Ranges - CDMA:850-894MHz
- GSM:925-960MHz
- DCS/PCS:1805-1990MHz
- 3G:2110-2170MHz
- 4G(LTE):725-770 MHZ
Power supply AC adapter(AC110/220V-DC27V)
Total output power 70W




Product Notes


  • Make sure to connect all the antennas firstly before the power supply is switched on. Please do not take off antenna when the machine is working.
  • Antenna shall be used vertically to the ground for working more efficiently.
  • Please don't put the jammer in the bad Condition of over-wet, over-hot, high voltage and high magnetism.
  • The jammer shall be installed in the position with good ventilation, and large-scale things shall be avoided to ensure the shielding effect.
  • This product is only work for 4G LTE Signals , if you want the Jammer for 4G Wimax, please pay attention to 70W High Power Cell Phone Jammer for 4G Wimax with Directional Antenna (JM170141)



  • 70W High Power Cell Phone Jammer for 4G LTE with Directional Antenna
  • Power adaptor
  • Antennas
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