Just by using this signal jammer the device signals can be easily blocked within its jamming range. Signal jammers are widely used in different places, such as school, university， examination room, gas station, church, court, library, meeting room, government, theater, military area and so on.
With the help of signal jammers, the cheating problems are solved, which ensures the equity in exams. When they are applied in church, court, library, meeting room, theater, they can prevent device from receiving signals, which maintains absolute silence.
High sensitivity, scope adjustable, large range of detecting frequency
Handle Isolator 850/900/1800/1900/2100Mhz
Isolate four frequency bands of GSM/CDMA/DCS/PHS/3G.
Radius: up to 5-10 meters
Power Supply: AC 220-DC 5V
Energy Consumption: o.5w/h
English User Manual
No harm to human body or other electronic devices
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.
Please dont put the jammer in high voltage and high magnetism locations