Its benefit can create disturbance in some places when there is continuous beeping or ringtones of cell phones which becomes annoying when such noise is disturbance in areas where silence is required or the use or of mobile phone is restricted or prohibited like Libraries and Study rooms A mobile phone jammer is an instrument used to prevent cellular phones from receiving signals from base stati on.The continuous use of mobile phone can be attributed to that it can be used anywhere, so it has become one of the most widely used devices in mobile communication, which makes it so important in our life.Its advantage is that when the mobile phone emits a continuous beep or ring tone, it will cause interference in some places.

The convenience and portability of cellphones has made it possible to be carried everywhere Churches, lecture halls, medical centers etc.Experiments were carried out to evaluate the proposed interference detection method, in which the general software radio peripherals were used as gsm jammer to block WiFi signals between smart phones and wireless routers.It is a device that transmit signal on the same frequency at which the GSM system operates, the jamming success when the mobile phones in the area where the jammer is located are disabled.A real-time interference detection method based on the received signal strength index and the WiFi signal packet loss rate is proposed, which can be easily implemented on Android smart phones.

Church, lecture hall, medical center, etc.The mobile signal jammer device is used to block all mobile phone types in the designated indoor area.The railway station is a device that sends signals on the same frequency that the global supply chain system works.The mobile Phone Jammer is a 'plug and play' unit, its installation is quick and its operation is easy.Mobile phone jammer is a "plug and play" device with fast installation speed and simple operation.When the mobile phone in the area where the wifi jammer is located is disabled, Interference succeeded.The mobile phone jammer unit is intended for blocking all mobile phone types within designated indoor areas.Once the mobile phone jammer works, all mobile phones within the interference coverage will be shielded, and the surrounding cellular activities (including incoming and outgoing calls, SMS, picture sending, etc.) will also be interfered.

The continuously use of mobile phone can be attributed to it can use in any places and thus have become one of the most widely used devices in mobile communication which makes it so important in our lives.Experimental results show that the proposed application can detect interference attacks with low false alarm rate and missing detection rate.The convenience and portability of mobile phones enable people to carry them everywhere.Once the mobile Phone Jammer is operating, all mobile phones present within the jamming coverage area are blocked, and cellular activity in the immediate surroundings (including incoming and outgoing calls, SMS, pictures sending, etc.) is jammer.The impact of interference attacks on the WiFi access performance of smart phones.

This paper focuses on the design of a mobile signal jammer to prevent the usage of mobile communication in restricted areas without interfering with the communication channels outside its range.When this noise causes interference in areas such as libraries and study rooms that need to be muted or restricted or prohibited to use mobile phones, it will become annoying.

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