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Portable High Power 4W Mobile phone signal Jammer (CDMA,GSM,DCS,PHS,3G)

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      Product Details

      Product Description

      • JM141605 will make effect only on the communication of mobile phones, instead of on other electronic devices and human bodies, thus can be used widely.
      • JM141605 is made up of up-to-date paste components and integrated circuits. With advanced performance, it is easy to install and use, and can work continuously for a long time.
      • As the manufacturing process strictly follows ISO9001 quality system, the device works stable and reliable. It is an ideal, reliable security product, which can be used to strengthen information security, and protect safe production and protect the environment at the same time.


      At a Glance:

      • 4-channel type can efficiently provide shield for mobile signals from GSM,CDMA,DCS,3G, PHS,Satellite phone, etc.
      • It only shields the signals from mobile phone and does not affect the normal operation of other electronic devices;
      • Generally, please use your mobile phone at the places more than 200 meters away from the base station;
      • Switching on, it can work stably for a long time;
      • Slow start-up circuit can avoid sparkling caused by mechanical switch.


      • Conference room, auditoriums, law court, library, exam room, school, cinema, theater, and hospital etc.
      • Oil station, gas filled station, oil field, oil depot etc.
      • At places where using mobile phones is prohibited such as government, military, finance, security, police and command center etc.


      Technical Specifications

      • 3.2 Technical parameters
      • Effective isolating/shielding diameter: 5-30meters (depends on local signal strength)
      • Isolating signal bandwidth (default)
        -CDMA: 851-894MHz
        -GSM: 925-960 MHz
        -DCS: 1805-1880MHz
        -3G: 2110-2170MHz
      • Working time: can work continuously with AC/DC electricity power ( can work continuously for 2hours with full charged battery)
      • Environment temperature: - 40 C to +55 C
      • Relative humidity: 30% -- 95%
      • Power adapter
        AC: 110-240V, DC: 9V 1300mA / H, with built-in rechargeable battery
      • Dimension: 100, mm(L)×50mm(W)×200mm(H)
      • Weight: 0.7kg
      • Output power: 4W


      • Power adaptor
      • Antennas
      • User manual


      Note: 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.

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      About us

      JammerGroup.com is the specialists in cell phone Jammers and Cell Phone Signal Repeater.

      We offer unparalleled professional service and advice for our personal and commercial products. 10+ years of industry experience makes us the specialists you can trust. We pioneered all kind of jammers online sales, and offer the best cellular jamming prices worldwide - guaranteed. We are a developer, manufacturer and reseller of cell phone jamming devices include GSM Jammer, CDMA jammer, DCS/PCS Jammer, GPS Jammer, WIFI Jammer, 3G Jammer,4G Jammer, Audio Jammer, Wireless Video Jammer, GSM Repeater, CDMA Repeater, DCS/PCS Repeater, GPS Repeater, WIFI Repeater, 3G Repeater, Dual Band Repeater and Tri Band Repeater etc.

      R&D Group in USA

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      Manufacturer in CHINA

      A full line of products - We have a full line of cellular jamming products from low-cost portable units to high-spec industrial units.

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