Cell phone signal blocker homemade - can cell phone signals be blocked

Portable Hanheld High Power 8 Channel Cellphone 2g 3G 4G GSM CDMA Signal WiFi Radio Jammer, Cell Phone Jammer, GPS Jammer  Military Portable 8Bands Jammer/Blocker Vodasafe P8pro Brief Description： Vodasafe Military Portable jammer P8Pro fits handheld using. it can effectively block CDMA,GSM,3G UMTS,4G LTE cellphone,GPS,Wi-Fi/Bluetooth,Lojack,remote control,it could block all types of Android phones, Tablets, Smart Phones, iPhones, Win phones etc. This portable jammer could work for wireless 2G, 3G, 4G, WiMax, Wi-Fi, Bluetooth ,GPS, Lojack,remote control signals,you could choose this model that will be work stably and reliably. The blocker could create a quite zone and safe zone around you and prevent leaking of information in sensitive areas.and prevent your safety. Features: * Compact Size and easy carry * Each band can turn ON/OFF without influencing the other bands operation * Replaceable &Rechargeable powerful battery  and can be used outdoors * Good cooling system can working long time  * Could be used in Vehicle directly, With car charger for mobile using * Support use while battery charging * Only interfering downlink and no interception on the base station. Applicable place:  For car, truck, bus, van, or even boat security, stop GPS tracking devices For meeting rooms, conference rooms, museums, galleries, theatres, concert halls, churches, temples, restaurants, classrooms, training centers, factories, banks, hospitals. Specification Total Output Power:4 Watt Cover Radius: 5-20m(under Signal level ≤-85dBm)@according to the signal density mobile network Jamming type: Sweep Jamming Antenna Type: Omni-Directional Power Supply: Rechargeable lithium Battery /AC adapter (50 to 60Hz/100 to 240V AC –DC12V) and 12V car charger  Built-in Rechargeable lithium Battery: 4700mAh  Working time of Battery : 2-3Hours Electric Filed (SAR):Compatible with ICNIRP Standards(Human safe); Operating Temp:-20 to +50℃ Storage Temp:-40 to +60℃ Humidity: 5%-80% Dimension(LXWXH): 163x 85 x 43mm not include antennas Inner box dimension:245x235x70mm weight:1kg                             Order Information :  P8proB jamming for CDMA/GSM/3G UMTS/4GLTE Cellphone/GPSL1/Wi-Fi 2.4G/5.8G   Europe Type frequency for used Europe, Asia, Australia,  Africa.  1. GSM900MHz:925-960MHz  0.6W  2. GSM/DCS1800MHz:1805-1880MHz 0.5W  3. 4Glte700MHz:790-826MHz 0.5W  4. 3G2100MHz:2100-2170MHz 0.4W (UMTS/WCDMA TD-SCDMA/CDMA) 5. Wi-Fi/Bluetooth:2400-2500MHz 0.4W  6. 4GWiMax/4Glte:2620-2690MHz  0.5W  7. GPS/Glonass/GALILEOL1:1570-1620MHz 0.4W  8. Wi-Fi/Bluetooth 5.8G:5725-5850MHz; 0.5W Total Output Power:4Watt Package contents: 1pcs Portable Signal Jammer 1pcs AC Charger 1pcs Car Charger 8pcs Antenna

cell phone signal blocker homemade

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