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Pocket Cellphone Jammer with Band Settings SJ-004
 
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SJ-004 (click to enlarge)SJ-004 (click to enlarge)
Features:

SJ-004 is a small pocket size cellphone jammer with band setting by PC.

The jammer is designed for personal use. It will help you protect yourself from the threat of eavesdropping via cell phone (even when cellphone is switched off can listen to conversations at a distance of several meters).

In addition, the device will allow you to suppress any activity of cellular phones in the room, thus giving the opportunity quietly and intently to conduct a meeting, a lecture, a spectacle, a examination, a presentation, to defend a thesis etc. Wherever you need to maintain secrecy, SJ-004 will be simply indispensable.

  • Built-in antenna
  • Non-conventional jammer design
  • Universal charging from PC USB or from charger
  • Frequency setting by PC
  • 2 separate channels
  • 5 frequency settings
  • Specifications
    Numbers of jamming channels: 2
    Channel 1 TX frequency: 820 ~ 980 MHz
    Cover GSM-850/ CDMA-850 or GSM-900
    Channel 2 TX frequency: 1800 ~ 2200 MHz
    Cover DCS-1800 or PCS-1900/ CDMA-1900/ WCDMA-1900 or WCDMA-2100 (3G)
    Total output power: 0.5W
    Number of frequency settings: 5
    Antenna: Built-in
    Jamming range: up to 8 meters (the signal must ≤85dBm in the location)
    Continue using time: 90 min
    Battery: 3.6V (Li-Polymer cell)
    Charger: 100-240VAC 50-60Hz / 5VDC 0.5A or PC USB
    Weight: 125g
    Dimension: 105 x 70 x 25 mm
    Operation temperature: -10…+55°C
    View User Manual User Manual SJ-004.pdf
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