Mobile phone signal sblock device applicable places

The rapid development of mobile communication has brought great convenience to people’s work and life. The unsafe factors of mobile phones are mainly reflected in the following aspects: in important confidential places such as government offices, factories, enterprises and public institutions, people may dial their mobile phones intentionally or unintentionally or forget to turn them […]

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Signal strength feels like signal jammer distance

All know that if you use a cell phone jammer blockers distance signal strength is based on using blockers places, so we have no equipment users how to test using signal strength, under the first simple say signal strength is based on three operators to install mobile unicom, telecom base station, the density of user […]

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