The same antenna will be utilized when the cell phone jammer system receives or sends

The same antenna will be utilized when the cell phone jammer system receives or sends, which is the logarithmic antenna. The single chip microcomputer will be adopted to control close of the transmit-receive switch. The sampling control order will be sent to the ADC sampling power value periodically with the help of set procedure. If the transmission of RACH pulse is detected, the interference module will start to work. And at the same time, the timer will start to work to realize the 20s interference time.

The design chooses the high power characteristic of sending RACH pulse when making or receiving calls as the parameter selection of detection to recognize the building of aerial interface between the cell phone and base station to start interference. Then the purpose of shielding cell phone can be achieved. And the same time the intelligentialization and environmental protection of   cell phone jammer can be realized.

The intelligent and environmental cell phone jammer has been successfully used in the examination room, meeting room and some other locations where cell phone jammer is needed. Great economic and social benefit can be achieved.

Until the cell phone jammer system detects the signal again, it will start the interference module again. This process will be repeated like this to monitor and inspect the sudden change of space radiation power level. The design can not only reduce the radiation but also the power consumption. Then the really intelligent and environmental cell phone jammer can be realized.

The self-inspection and detection of the background noise will be realized by the same circuit. The procedure will be used to control the time division work. The measurement of background noise power will be implemented only when the cell phone jammer system is turned on and energized. Others work in the detecting and interfering status.