Mobile phone signal jammer is also known as: jammer, cell phone jammer, signal jammer, mobile phone signal jammer, mobile phone signal blocker, mobile phone isolator, mobile phone interceptor, mobile communication signal jammer, mobile phone signal jammer, mobile phone interference device, signal jammer, mobile phone blocker, signal blocker, mobile phone signal isolator, signal isolator, mobile phone signal cutter, radio signal jammer.
It uses frequency multiplication, frequency division, frequency hopping filtering and other technologies to analyze the required shielding frequency for the uplink and downlink channels of the mobile phone system; it customizes a spherical shielding space according to the power of the shielder, and automatically forms a shielding magnetic field within the specified range. Make mobile phones (including PHS - PHS, GSM - China Unicom, China Mobile, CDMA - China Telecom) invalid in this space. When the signal jammer for sale is in working condition, it can disable the signal sending and receiving functions of mobile phones within the specified range, making it impossible to dial out and dial in, thereby achieving the purpose of mandatory ban.
Can be used in: prisons/detention centers, various examination rooms, conference rooms, gas stations, oil depots, churches, hospitals, courts, military sites, libraries, theaters and other places.
However, in densely populated areas such as schools, it is prohibited to set up radio stations with excessive electromagnetic radiation, and mobile phone signal jammers are not allowed to be used without authorization.