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Portable Signal Jammer is a portable signal shielding device, usually with multiple antennas. Can work continuously for 2 hours.

July 5, 2022

How To Make Portable Cell Phone Jammer?

What is Portable Cell Phone Jammer? Portable Cell Phone Jammer is a type of handheld signal jammer, usually about the size of a walkie-talkie. It blocks the communication signal of the corresponding device by sending interfering signals. Very useful in some special occasions. For example, during school exams, signal jammers can block the communication signals [...]

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