Universal 6-band cellular phone GSM jammer 3G 4G Jammer Isolating signal bandwidth: - 851MHz - 894MHz - 925MHz - 960MHz - 1805MHz - 1990MHz - 3G: 2100MHz - 2170MHz - 4G Wimax: 2345MHz - 2400MHz - 4G LTE: 725-770MHz Antenna: 6 x omni-directional antennas Shielding radius range: up to 50 meters (depending on the mobile service provider's network condition and background signal strength) Power supply: AC adapter (AC 220V-DC 12V) Total output power: 15 watt Color: black Dimensions: 305x140x51mm Weight: 3.5kg Suitable for: meeting room, security services,units, prisons, banks, churches, conference rooms, classrooms, secret services, news conference rooms, libraries, museums, customs, houses and car
Use notes:
Be sure to connect all the antenna before the power supply is switch on When you get the device in the first time, recharge the device only after the power is used out To prolong the lifespan of the device, try to recharge it no less than 12 hours Any sealed mark on the machine teared are void, excluding from the repaired service Don't put the jammer in the water and fire to avoid using in the bad, condition of over-wet, over-hot, high voltage and high magnetism Antenna shall be used vertical to the ground, working more efficiently
Packing including:
one jammer host AD/DC adapter Detachable antenna x 6
Audited Supplier 
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