Handheld CDMA / GSM Mobile Phone Signal Jammer Devices 3 Band 2019/12/07
3 bands,handheld  mobile signal jammel /  portable jammer for office / police   Description:        This is a portable type mobile phone signal shielding device .It is  easy to carry, flexible to use, also with built-in high capacity battery . Full charged, it can last working about 90 minuters.       With leather case, can be tied at the waist or arm.  also can with optional car charger/adapter,it can be used in car ,battery charging from the cigarette lighter.     Specifications:      Output Port Frequency Range output power Channel output Power CDMA/GSM 851-960MHz 30dBm 0dBm/30KHz(min) DCS/PHS 1805-1990MHz 30dBm -3dBm/30KHz(min) 3G 2110-2170MHz 29dBm 0dBm/30KHz(min) Power supply: AC110V/220V-DC9V              4pcs Omnidirectional antennas   Output power: 1500mW    Weight: 400g                Size: 62*32*112mm Working Hours:  2-3 hours long time work(Built-in Battery) elative Humidity:  20%-95%,  energy Consumption: 10w             Competitive Advantage:  Easy to carry, portable design. With leather case, can be tied at the waist or arm.     with good cooling system, can operate for long time.  Multi bands cover all cellphone including 3G bands. It can be used directly in the car with car adapter.   Full charged, it can last working about 90 minuters. Importance Note: 1.      To keep away from high temperature fire. 2.      To keep way from Computer, TV, Radiogram etc when it is operation, otherwise, it makes                       disturbance. 3.      To confirm weather antenna connect with output port well and frequencies is correct before you             use cellular jammer, otherwise, it affect jamming radius.       4.      The jammer use safe and reliable battery, if the battery can not use after many times charge,                     please change a new one battery.   Applications:   office ,examination room,hospital and meeting room, etc. It can be applied at office ,examination room,hospital and meeting room, conference room, museum, gallery, theatre, concert hall, church, temple, restaurant, classroom, training center, factory, bank, train, bus, etc. For some locations of special purpose such as hospital, gas station, etc., please do field test first to make sure no interference happened to the normal operation of their equipment and instrument. It is easy to install and operate the device.    

block diagram of cell phone

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Handheld CDMA / GSM Mobile Phone Signal Jammer Devices 3 Band