Build your own cell phone signal blocker - how to jam cell phone signals

10W Plus Handheld 315/433/868 Remote Control signal jammer with bigger battery jamming 100meters

Brief Description:Portable high power remote control jammer WH-121A-3 fits in your pocket and handheld using. it can effectively block remote control frequencies 433MHz/315MHz/868MHz signals, you could choose this model that will be work stably and reliably. The blocker’s total output power is up to 10W, its coverage range is up to 200 meters. You could use it on car, we equip with 12V Car Charger.Features:* Compact Size and easy carry* Each band can turn ON/OFF without influencing the other bands operation* Rechargeable powerful battery up to 8000mAh 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 Applicable place: For car, truck, bus, van, or even boat security, stop GPS tracking devicesFor meeting rooms, conference rooms, museums, galleries, theatres, concert halls, churches, temples, restaurants, classrooms, training centers, factories, banks, hospitals.Specification:Total Output Power: 10WattCover Radius : 100-200meter(under Signal level ≤-85dBm)@according to the signal density mobile networkAntenna Type: Omni-DirectionalPower Supply: Rechargeable lithium Battery /AC adapter (50 to 60Hz/100 to 240V AC -DC12V) and 12V car charger Built-in Rechargeable lithium Battery: 8000mAhWorking time of Battery : 3HoursElectric Filed (SAR): Compatible with ICNIRP Standards (Human safe)Operating Temp:-20 to +50ºCStorage Temp:-40 to +60ºCHumidity: 5%-80%Dimension(LXWXH): 175*70*35mm not ( include antennas)Weight:1.5kgPackage contents:1pcs WH-121A-3 1pcs AC Charger1pcs Car Charger3pcs Antenna

build your own cell phone signal blocker

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