Build your own cell phone jammer , cell phone jammer school

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    • 2019-07-30
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    5 Band 70W Most Powerful In The World 3G Cell Phone Signal Jammer (Up To 100 Meters) Build your own cell phone jammer , cell phone jammer school

    Product Description At a Glance: It can continue working for 365 days with AC adapter High power Jammer, total output power: 70W External Directional Panel Antennas Every band frequency can select output power All the TX frequencies cover downlink only. Automatic power switching power supply: 50 / 60 Hz / AC 100 ~ 240V Jam all of cell phone signals (3G/CDMA/GSM/DCS/PCS) Best for blocking 3G signal  With cooling fan inside Output power is adjustable Jamming range up to 100 meters Application Area: prison, guard, invigilate meeting room, library, theater, class room etc Specifications Affected Frequency Ranges: -CDMA 851-894MHz 42dBm 15Bm/30KHz (min) -GSM 925-960MHz 42dBm 13dBm/30KHz (min) -DCS 1805-1880MHz 41dBm 10dBm/30KHz (min) -PCS 1920-1990MHz 41dBm 10dBm/30KHz (min) -3G 2110-2170MHz 41dBm 12dBm/30KHz (min) Power supply: AC adapter (AC220V-DC27V) Shielding Radius: (20-100) meters@-75dBm still depends on the signal strength in given area. Total output power: 70W Weight: 13kg Size: 34*13*27cm Product Notes Make sure to connect all the antennas firstly before the power supply is switched on. Please do not take off antenna when the machine is working. Antenna shall be used vertically to the ground for working more efficiently. Please don’t put the jammer in the bad Condition of over-wet, over-hot, high voltage and high magnetism. The jammer shall be installed in the position with good ventilation, and large-scale things shall be avoided to ensure the shielding effect. Note: 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.

    build your own cell phone jammer

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