Product Details

Product Description

Right here the signal jamming device that you are viewing is the Selectable Portable GPS LoJack 3G Cell Phone Signal Jammer , which not only powerful jamming ability but also at the same time owns the selectable function at the same time.

This selectable GPS LoJack 3G cell phone jammer designs with the ability to cut off the signals of the CDMA/GSM, DCS/PCS, 3G, GPSL1 and LoJack at the same time with 3W total output power so that the jamming distance is up to 20 meters to cut off the signals from all direction as it is designed with External Omni-directional antennas, and all the TX frequency covered down link only. And as owning the latest design and Good cooling system with cooling fan inside this portable GPS LoJack 3G signal jammer can always work well. Thus via the selectable button you can choose which frequency band to block according to the real situation.

Besides via the 12V car charger this selectable portable signal jammer can be used in the car easily. And for other places such as the meeting rooms, conference rooms, trains, bus and so on this selectable GPS LoJack 3G cell phone jammer can also be used. And if need to know more details then just come here to get the needed information.


  • Affected Frequency Ranges:

-CDMA/GSM: 850 to 960MHz
-DCS/PCS: 1805 to 1990MHz
-3G: 2,110 to 2,170MHz
-GPSL1: 1570-1580MHz
-Lojack: 167-175MHz

  • Total output power:3W
  • Jamming range: up to 20m, the jamming radius still depends on the strength signal in given area
  • External Omni-directional antennas all the TX frequency covered down link only
  • Power supply:50 to 60Hz, 100 to 240V AC
  • With AC adapter (AC100-240V-DC12V),4000mA/H battery
  • Dimension:120x74x29mm and not include antennas
  • Inner box dimension:220x202x65mm
  • Full set weight:0.75kg


  • Mobile Phone GPS Lojack Jammer
  • AC Charger
  • Car Charger
  • 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 .

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