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ShenZhen Necom Telecommunication Technologies Co., Ltd.
Home ProductsMobile Phone Signal Jammer

8 - Way High Range Mobile Jammer , Mobile Phone Blocker Jammer Upgraded Version

China ShenZhen Necom Telecommunication Technologies Co., Ltd. certification
China ShenZhen Necom Telecommunication Technologies Co., Ltd. certification
Good cell phone signal jammer, factory to me the price is well, A+++

—— Mr. Amer

GPS tracker jammer is perfect, and workshop arranges the shipment to me in only 5 days. Good quality, A+

—— Noel Bojorquez

Vehicle jammer got it, perfect operating, thanks. AAA

—— Mr. Dawson

hey thanks for everything this jammer is wickedly love this big ring;)

—— Jayridd

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8 - Way High Range Mobile Jammer , Mobile Phone Blocker Jammer Upgraded Version

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Large Image :  8 - Way High Range Mobile Jammer , Mobile Phone Blocker Jammer Upgraded Version

Product Details:

Place of Origin: China
Brand Name: vodasafe
Model Number: X8adjB01

Payment & Shipping Terms:

Minimum Order Quantity: 1pcs
Price: Negotiable
Packaging Details: Neutral Packing Carton Box
Delivery Time: 3-5Working Days After Payment
Payment Terms: L/C, T/T, Western Union
Supply Ability: 5000pcs Per Month
Detailed Product Description
GSM850MHz: 850-894MHz PCS1900MHz: 1920-1990MHz
4GLTE700MHz: 700-800MHz 3G2100MHz: 2110-2170MHz
Wi-Fi/Bluetooth2.4G: 2400-2500MHz 4GWiMax/4GLTE: 2500-2700MHz
GpsL1: 1570-1620MHz GpsL2: 1200-2300MHz
High Light:

cell phone signal jammer


mobile phone scrambler

18W Mobile Phone Signal Jammer/Upgraded Version 8-way VHFUHF Signal Blocker


X8adj-B jamming for CDMA/GSM/3G UMTS/4GLTE cellphone +GPSL/Glonass/GALILEOL1/L2


America Type frequency for United States, Canada, Mexico ,S. America.
1. GSM850MHz:850-894MHz;3W (GSM/CDMA)
2. GSM1900MHz:1920-1990MHz;2W (2GGSM/CDMA/PCS1900MHz)
3. 4GLTE700MHz:700-800MHz; 3W
4. 3G2100MHz:2100-2170MHz; 2W (3GUMTS/WCDMA/TD-SCDMA/CDMA)

5. Wi-Fi/Bluetooth 2.4G:2400-2500MHz;2W

6. 4G WiMAX/4GLTE: 2500-2700MHz;2W

7. GPS/Glonass/GALILEOL1:1570-1620MHz; 2W

8. GPS/Glonass/GALILEOL2:1200-2300MHz; 2W

Total Output Power: 18W




This power-adjustable eight-way shield is an upgraded version of the X8. Its frequency range and basic functions are the same as those of the X8. Just add a power-adjustable function to the total output of this model. The power is 18W and there are eight 3dbi antennas. In addition, this product can also be equipped with a portable case, just need to add extra money, the carrying case can support you to put it on the car, and you can also have a battery for this model. X8adj is also a very good one we sell. The shielding range is 3-5 times that of the general handheld signal shield. The weight of 3.5kg is still portable.



  1. Adjustable working range you can avoid blocking adjacent areas
  2. Friendly use and maintenance.
  3. 8 bands of coverage to jam UHF/VHF or GPS L1 L2 or Lojack or Remote Control 433MHz315MHz868MHz
  4. 24/7hours working,Could continue to work
  5. Good cooling system with unique case as big heat sink and 3 fans inside
  6. Portability: Vehicular power cable included Could be used in Vehicle directly jamming car bomb

Applicable place:

It can be applied in a meeting room, conference room, museum, gallery, theater, concert hall, church, temple, restaurant, classroom, training center, factory, bank, train, car, busetc.


Total Output Power 18 Watt
Output power Adjustable could adjust the jamming range
Cover Radius 10-50m(under Signal level ≤-85dBm)@according to the signal density mobile network
Jamming type Sweep Jamming
Antenna Type 3dBi external omni-directional
Power Supply AC adapter (50 to 60Hz/100 to 240V AC –DC12V) and 12V car charger
Electric Filed (SAR) Compatible with ICNIRP Standards (Human safe)
Operating Temp -20 to +50℃
Storage Temp -40 to +60℃
Humidity 5%-80%
Dimension(LXWXH) 355 x 140x 51mm not include antennas
Inner box dimension 450x240x90mm
Weight 4kg



  1. Making sure all antennas fixed correctly before turn on. Don’t taking off antenna when in the working condition.
  2. The jammer shall be installed in the position with good ventilation. And large-scale things shall be avoided to ensure to the shielding effect.
  3. When use the jammer outdoors, preventing water shall be taken into consideration.
  4. Antenna shall be used vertical to the ground.
  5. If you used in car, please make sure the car output adapter is DC12V, this device only can be working on DC12V,Not DC24V.

8 - Way High Range Mobile Jammer , Mobile Phone Blocker Jammer Upgraded Version 0


Contact Details
ShenZhen Necom Telecommunication Technologies Co., Ltd.

Contact Person: Abby

Tel: +8613713574286

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