Greatjammer | Keep Up To Date With My Adventures

Signal jammers emit very little electromagnetic radiation

by Greatjammer

April 5th, 2021

103


travel blog

Are jammers harmful to people or cell phones? The signal jamming device sends out electromagnetic signals. This type of jamming device has passed microwave radiation testing and certification. This ra

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Mobile phone signal jammers must be in place to prepare for the New Year holiday!

by Greatjammer

February 7th, 2021

147


travel blog

I believe that many of my friends have returned to their hometown to celebrate the Spring Festival with their parents. Back at your parents’ house, did you find that the WiFi signal was not g

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