The china cell phone jammer system also should have the ability of water-proof, anti-moisture, anti-corrosion, anti-pollution and lightning protection. All cell phone jammers should have overload protection, short-circuit protection, lightning protection, over-voltage protection and recovery ability. The life time of the cell phone jammer itself is no less than 5 years.
The equipment of cell phone jammer installation height should be no less than 2 meters from the floor if the architectural environment permits. The installation should be uptight and steady and can stably work. The corresponding reinforcement measures should be taken if condition of the wall is poor.The working frequency range of the equipment has to strictly be limited to the downlink frequency.The power output port of all modules of cell phone jammer system should be equipped with the short-circuit protection and open-circuit protection. When impedance mismatches, the equipment still can work. The equipment module all equips with the fault monitoring interface. After the fault alarming module is added, the connected fault monitoring can be realized.
The prison cell phone jammer shielding system should be safe, stable and reliable. The adverse parts which make the cell phone jammer can be manually shut off or adjusted are not allowed outside the equipment, such as the plugging switch, external switch, and external power tuner and so on. The cell phone jammer has to meet the need of continuously running for a whole year under the severe environment.
The cell phone jammer should have the strong heat dissipation ability and make full use of the natural heat dissipation ability. During the extremely hot period in the summer, the mandatory heat dissipation device with temperature control can be equipped. The outdoor cell phone jammer should have the strict field adaptability.
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