Cell phone jammer installed in prison

Many commercial operators want to use cell phone jammer. Restaurant owners and theaters are just two examples of how often customers receive telephone complaints. Provide expensive network jammers in buildings to block cell phone signals (this is legal). It is understandable that hospitals also want to use signal jamming devices without affecting patients’ hesitation. Factories, churches, […]

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Mobile phone jammers increase driver’s attention

With the popularity of mobile phones, there has been a resurgence. Although some people pay attention to good mobile phone manners, many people still talk about their private, professional or secular affairs in public places and force anyone nearby to listen. People often chat in trains, subways, buses, grocery stores, shopping centers and cafes, which […]

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