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01. Be sure to connect all the antennae before the power supply is switch on.
02. Try to recharge the device only once it is power-off when you get the device in the first time. Recharge shall take no less than 12 Hours in order to prolong the lifespan of the internal battery.
03. Any sealed mark on the machine tore is invalid.
04. Don't put the jammer into the water or fire to avoid using in the bad Condition like over-wet, over-hot, high voltage and high magnetism.
05. Antennae should be put vertical to the ground to get more efficient jamming performance.
They can conduct the law enforcement process more effectively to reduce the chance that the criminals leak the information.
6 Bands All CellPhone Handheld Signal Jammer
Jammer Group
phone, jammer
