Usually a handheld signal jammer is enough for a car or a small room application to protect an area 5 to 10 meter radius around. Cause their output power for each channel is very small such as 2mW. But some customer has a special need to enlarge the jamming area of the portable signal jammer.
Read MoreA cell phone jammer is a device that sends a signal to the same frequency, and if the jammer is on, the jamming is partially successful when the cell phone signal area is disabled. With more and more mobile users these days, cell phone jammers have become democratized by comparing with electronic de......
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