How to block cell phone signal in a room - Handheld Selectable 6 Antennas GPS LoJack 3G 4G Wimax Mobile Phone Jammer

Handheld Selectable 6 Antennas GPS LoJack 3G 4G Wimax Mobile Phone Jammer

Product Description Manufacturer SpecificationsAffected Frequency Ranges:-CDMA/GSM: 850 to 960MHz-DCS/PCS:1805 to 1990MHz-3G:2,110 to 2,170MHz-4G Wimax:2620-2690MHz-GPSL1:1570-1580MHz- Lojack:167-175MHzTotal output power:3WJamming range: up to 20m, the jamming radius still depends on the strength signal in given areaExternal Omni-directional antennas all the TX frequency covered down link onlyPower supply:50 to 60Hz, 100 to 240V ACWith AC adapter (AC100-240V-DC12V),4000mA/H batteryDimension:126x76x35mm and not include antennasInner box dimension:220x202x65mmFull set weight:0.65kgPackage ContentsHandheld GPS Lojack 4G Phone Signal JammerAC ChargerCar ChargerAntenna*6Important Notes for Jamming Distance: The jamming distances we mentioned on website are for customer's reference only. The actual jamming distance will be varied depending on the signal strength and the use location and if full charges, etc.Important Notes for Portable Jammers with No Cooling Fan:Do not use the jammer when it is charging, or it will burn the jammer as it has no built-in fan. If because of this factor due to the broken of the jammer, the customer will lose the authority of free repairation .

how to block cell phone signal in a room

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