ajax loader  Loading... Please wait...

Our Newsletter

5 Antenna 12W High Power 3G Full Band Mobile Phone Signal Blocker

  • 5 Antenna 12W High Power 3G Full Band Mobile Phone Signal Blocker
  • 5 Antenna 12W High Power 3G Full Band Mobile Phone Signal Blocker
  • 5 Antenna 12W High Power 3G Full Band Mobile Phone Signal Blocker
Calculated at checkout

JammerFromChina Wholesales Discount

  • Buy 2 - 4 and pay only US$252.94 each
  • Buy 5 - 8 and pay only US$245.20 each
  • Buy 9 - 15 and pay only US$232.30 each

Product Description

If you have the need to block the signals of the 2G 3G mobile phone signals and want the device just work in a certain place as the classroom, the church or other places, then in fact the high power signal blocker is suitable in such condition and this 5 Antenna 12W High Power 3G Full Band Mobile Phone Signal Blocker can be a suitable type.

Owning 12W high output power and designed with 12W high output and 5 antennas, this high power signal blocker owns powerful jamming radius, of which the jamming radius is 40 meters depending on the signals strength in the detailed place. Thus with the 5 antennas it can block the signals of the frequency bands CDMA GSM DCS PCS 3G at the same time within its effective range.  And by applying the 5pcs Omni-directional antennas this 3G mobile phone jammer can block signals from all the directions, which is really powerful.

And designed with good cooling system and powered by the power adapter this high power signal blocker can work continuously to reach the 24/7 working goal. And at the same time it will not cause harm to the mobile phone signal blocker itself.

This product is in stock now, we guarantee shipping within 48 hours and offer 1 year warranty for all our products. Brought to you by the leader in security devices and best Signal Jammers, JammerFromChina.

Manufacturer Specifications

  • Isolating Signal Bandwidth:


  • Antenna: 5pcs Omnidirectional antennas
  • Application Area:  Prison, guard, invigilate etc
  • Working Hours:  long time work continuously without stop
  • Working temperature: -10 ~ +55 degree centigrade
  • Relative Humidity: 5%-95%
  • Semidiameter of interception:Up to 40 meter ( According to density of signal in your area)
  • Output power: 12.0W
  • Power Supply: AC110-220V±10% / DC5V 10A
  • Weight: 3.2KG
  • Product size: 210*210*50mm

Package Contents

  • Cell Phone Jammer
  • Power Adaptor
  • Antenna*5

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 .

Find Similar Products by Category

Write your own product review

Reviews for: (5 Antenna 12W High Power 3G Full Band Mobile Phone Signal Blocker)

Showing reviews 1-8 of 11 | Next

  1. I'm happy with the purchase. Review Rating

    Posted by Unknown on 14th Dec 2020

    I use the jammer for a month, it works . I'm happy with the purchase. I recommend the seller, I went out without problems. Thank you.

  2. All Super I liked! Review Rating

    Posted by Galinski on 24th Nov 2020

    All Super I liked! While everything works fine!

  3. 7 days from china to Mexico. Review Rating

    Posted by Jeramy on 16th Sep 2020

    7 days from china to Mexico. Do not pay customs. Everything works very well.

  4. up Review Rating

    Posted by Coldiron on 1st Dec 2019

    up up up up it......

  5. good service Review Rating

    Posted by Fostervold on 26th Nov 2019

    Haven't tried the product yet bet the delivery is faster that any delivery I have had in the United States, product is being charged and I have faith in jammerfromchina that there product will work as advertised. As i was speaking I went to the product and turned it on and my phone signal level went from five bars to zero bars in about eight seconds very happy and satisfied. Now I know I will be ordering from your store again very soon. Thank you for outstanding service!

  6. More than satisfied Review Rating

    Posted by Buvinghausen on 12th Nov 2019

    4 days from time of order to delivery in the States.. The product works as expected and I am extremely pleased with the whole jammerfromchina experience. I would recommend this company to anyone!! Hope more discounts.

  7. good device Review Rating

    Posted by Clemente on 19th Sep 2019

    Very good device.

  8. Great!!!! Review Rating

    Posted by Kaboos on 6th Jul 2019

    Just Received it, What a great product, have not had the time to test out the range but so far it worked through out my whole house. Great Product :)Highly recommend!

Showing reviews 1-8 of 11 | Next


Choose a currency below to display product prices in the selected currency.


Add to Wish List

Click the button below to add the 5 Antenna 12W High Power 3G Full Band Mobile Phone Signal Blocker to your wish list.

You Recently Viewed...