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  • 2017 for Powerful GSM/3G Effective blocking Cell Phone Signals uGvddslcwiedYPJuiPQm for hidden

Product Description:

The 4 antennas jammer can block 4 frequencies at the same time.It is so powerful that the jamming radius can reach up to 30 meters(it depends on the signal strength in the given area).And it can be remotely controlled and easy to use.With the functions of jamming GSM,3G,GPS signals,it can protect you from A-GPS tracking,eavesdropping,snooping to protect your privacy.Besides,it can be used in many places including school exam room ,court ,library,church and prison etc where cell phone should not be used.

Now it can supports WIFI,remote control (315,433,868MHz) either.Several configurations are presented above and they have different functions.You can choose what you want.



Powerful output

Can work for a long time

Radius up to 30 meters

High heat dissipation



Affected Frequency Ranges:





-GPS L1:1500MHz-1600MHz


-315 433 868 MHz

Please note that the jammer can only jam up to 4 different frequencies at the same time depending on what you choose in the configuration.

Total output power: 20W

Jamming range: up to 30m, the jamming radius depends on the strength signal in given area

Power supply: AC power adapter (100 to 240V AC)

Dimension: 210 x 50 x170mm



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