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2017 4W Channel Phone Jammer 7 Cell Signal Shielding wdYhzY_smtJcbhihYJ for hidden.

  • Product Description

    Are you eager to get out of the noisy world? Do you suffer with the dins of cell phone calls for a long time? Is there some special instrument to stop the terrible situation? It is the time that you should come here to get a suitable cell phone signal jammer with a reasonable price.

    It is specially designed for blocking the transmission of signals between the cell phone and its nearby base station. Just turning on the button, you will enjoy the peaceful life wherever you go.

    If you are a teacher, are you bored with the calls of students during classes or cheating affair during examinations? What will you do? Hurry up to get a cell phone jammer to solve your problem!!

    At a Glance…

    • Built in fans, long time use
    • 7 Band cell phone jammer
    • Block all cell phone signals (GSM/DCS/CDMA/PHS/3G (TD-SCDMA/CDMA2000/WCDMA))
    • Coverage average 15 meters
    • Improved design and internal cooling allow for extended use!


    • Affected Frequency Ranges:
      • 869-880MHz (CDMA)
      • 935-960MHz (GSM)
      • 1805-1920MHz (DCS/PHS)
      • 2005-2035MHz (TD-SCDMA)
      • 2110-2170MHz (CDMA2000/WCDMA)
    • Output Power: 4 Watts
    • Antenna: Built in
    • Built in Fans: Yes
    • Affected Radius: up to 15 meters (depends on signals)
    • Power Source: Wall plug (AV110-240V, DC5V)
    • Working temperature: -10 to –55℃
    • Relative Humidity: ≤90%(RH)
    • Weight: 800g
    • Dimensions: L: 260 x W: 160 X D: 44 (mm)


    • Power adaptor
    • User manual


    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 .


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