How to block cell phone signal with magnets - cell phone signal jammer and blocker device

High Power Jammer for GPSL3+L4 3G/4G/VHF/UHF, RC433MHz/315MHz/868MHz Jammer  Stationary 12Bands Jammer/Blocker Vodasafe X12A Brief Description: Vodasafe 12bands jammer X12 is our multi-purpose jammer . Jamming all types of wireless devices, such as mobile phones, Wi-Fi/Bluetooth ,spy camera ,gps tracking device, lojack, walkie-talkie ,Remote control etc.Creating a range of 50 meters radius "forbidden" zone for all wireless devices, in the coverage area, they will not be able to send messages, answer calls and they will lose the ability to access the Internet. equip with 12V car charger,so it is very convenient for using on vehicles.It effectively prevent "leakage" of important information and also jamming car bomb prevent your safety . Features: *Adjustable working range you can avoid blocking adjacent areas * Easy of use and maintenance * Good cooling system with cooling fan inside * 24/7hours working, Could continue to work * Stable capability * Portability: Vehicular power cable included Could be used in Vehicle directly jamming car bomb Applicable place:  Jammer can be used to block the cell phone signal in the churches, museums, movie theatres or during the important conference in a meeting room to avoid the leakage of secure information, in classrooms during the exams, courts, hospitals, banks, recording studios or other crowded places where the usage of mobile phone is prohibited, factory, bank, train, car, bus etc. Specifications： Total Outputpower:30W Cover Radius: 10-50m(under Signal level ≤-85dBm)@according to the signal density mobile network Jamming type: Sweep Jamming Antenna Type: 3dBi external omni-directional Power Supply: AC adapter (50 to 60Hz/100 to 240V AC-DC12V) with car charger Electric Filed (SAR): Compatible with ICNIRP Standards (Human safe) Operating Temp:-20 to +50℃ Storage Temp:-40 to +60℃ Humidity: 5%-80% Dimension(LXWXH): 330 x 23.8x 60mm not include antennas Inner box dimension:470x420x115mm Weight:6.5kg Notices: 1.Before linking all the antenna, power supply shall not be switched on at first.Non taking off antenna when the mainframe is in the working condition. 2.The jammer shall be installed in the position with good ventilation.And large-scale things shall be avoided to ensure to the shielding effect. 3.When use the jammer outdoors, preventing water shall be taken into consideration. 4.Antenna shall be used vertical to the ground. 5.If you used in car, please make sure the car output adapter is DC12V,output power of storage battery is 150Watt. Order Information : Model:X12 jamming for CDMA/GSM/3G/4GLTE Cellphone/Wi-Fi 2.4G/Bluetooth/Walkie-Talkie/GPSL1L2/Lojack/RC315MHz America Type frequency for United States, Canada, Mexico,S. America. 1. GSM850MHz: 850-894MHz; 3W; (GSM/CDMA) 2. GSM1900MHz:1920-1990MHz; 3W (2GGSM/CDMA/PCS1900MHz) 3. 4GLTE700MHz:700-800MHz;3W 4. 3G2100MHz:2100-2170MHz;3W (3GUMTS/WCDMA/TD-SCDMA/CDMA) 5. Wi-Fi/Bluetooth2.4G:2400-2500MHz; 2W 6. 4GWiMAX/4GLTE2600MHz:2500-2700MHz; 2W 7. VHF Radio:135-175MHz; 2W 8. UHF Radio: 400-470MHz; 2W   9. GPS L1: 1575MHz; 2W 10. GPS L2: 1227MHz; 2W 11. Lojack: 173MHz; 3W 12. RC315MHz:315MHz;3W Total Output Power:30W   We could supply customized service by your detail requirements about frequencies setting.   Optional Frequencies： 1.CDMA450MHz:430-450/460-470MHz; 2.GPS/GLONASS/GALILEO:L3 L4 L5; 3.Wireless Camera:1.2G,2.4G,5.8G 4.Car remote Control:868MHz,920-965MHz; 5. SAT Satellite Phones:1520-1670MHz Optional function: Remote control on/off (3-5m） Package contents: 1pcs Signal Jammer 1pcs AC Charger 1pcs Car Charger 12pcs Antennas     

how to block cell phone signal with magnets

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