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Video Demo - How to Use the 12 Bands Jammers

12 Bands 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. In general, this jamming range can cover large buildings.

Many people may think that jammers may damage other signals, causing no signal around them.

The reality is that signal jammers are not intended to harm. In fact, even when blocking cell phone signals, emergency services frequencies are not disturbed. So, to give yourself and your patrons the peace and quiet they deserve while still allowing those in your building or facility to remain safe, get a signal jammer.