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    Product Description 3G/4G high power cell phone jammer with 6 powerful antenna (4G LTE + 4G Wimax),you must be attracted by the title. YES! It is 3G/4G high power cell phone jammer. It’s not only block the CDMA, GSM, DCS / PCS, 3G signals, but also jam the newest 4G LTE and 4G Wimax signal. Before you may just block one of the 4G signal, but now you can block the two. It is really an optimal choice for you.With 6 powerful antennas, the shielding radius is 2 to 40 meters; the stronger jammer can block all signals in this range. You don’t worry about the uplink.The jammer could not interference the uplink station signal; just jam the signals of the cell phone.If you are looking for a powerful device to jamming the cell phone signals in the place like the exam rooms, churches, temples, gas stations or any place you need to be quiet. Just go ahead, pick it up to your cart, you will love the high power one!Specifications Affected Frequency Ranges: -CDMA 851-894MHz 35dBm 8dBm/30KHz (min)-GSM 925-960MHz 35dBm 5dBm/30KHz (min)-DCS / PCS 1805-1990MHz 33dBm 2dBm/30KHz (min)-3G 2110-2170MHz 33dBm 2dBm/30KHz (min)-4G(LTE): (USA:725-770MHz) or (Europe:790-826MHz) 33dbm 2dBm/30KHz (min)-4G(Wimax): (US.2345-2400MHz) or (EU.2620-2690MHz)  30dbm 2dBm/30KHz (min) Total Power:20W Power supply: AC adapter (AC220V-DC12V) Shielding Radius: (2-50) meters@-75dBm (depends on the strength signal in given area.) Net Weight: 3.5KG/PCS Accessories: AC Adaptor Car Adaptor Antennas This product is in stock now, we guarantee shipping within 24 hours and offer 1 year warranty for all our products. Brought to you by the leader in security devices and best Signal Jammers, Jammerall. Important 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 .

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