Video Demo - How to Use the 12 Bands Jammers

12 Bands High Power Cell Phone Jammers

This 12 bands jammer device has a good cooling system, can long hours of continuous work. Can adjust or turn off any single band without influencing the other bands operation

Output power of the signal jammers can be adjusted, interference range can be adjusted, jamming band can be selected as needed, jamming range up to 60 meters