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Mobile phone signal jammer is also called: blockers, mobile phone shielding device, signal shielding device, mobile phone signal shielding device, mobile phone signal blocking device, mobile phone isolator, mobile phone cutter, mobile communication signal shielding device, mobile phone signal shielding device, cell phone jammer, signal jammer, cell phone block, signal blocking device, mobile phone signal isolator, signal isolator, mobile signal cutter, radio signal shielding device.
For the upstream and downstream channels of the mobile phone system, it USES the technology of frequency doubling, frequency division and frequency hopping filtering to analyze the required shielding frequency. According to blockers power to customize the size of a spherical screen space, automatic forming shielding the magnetic field in the specified scope, make mobile phones (including PHS, PHS GSM, DCS, PCS, CDMA, 3G, 4G, 4G LTE) in the space of mobile phone failure. When the signal jammer is in working state, it can make the mobile phone transceiver function within the specified range fail, unable to dial out and dial in, so as to achieve the purpose of mandatory prohibition.
Common mobile phone signal jammer use place
It can be used in various places such as examination room, meeting room, gas station, oil depot, church, hospital, court, military center, library, movie theater, etc.
However, in densely populated areas such as schools, it is forbidden to set up radio stations with excessive electromagnetic radiation and to use mobile phone signal shields without permission.