Cell phone amplifier - how to block cell phone signal in a room

Product Description Features alljammer has just released the newly designed jammer that blocks LoJack, 4G LTE and XM radio.LoJack 4G XM Radio jammer is able to jam all signals on LoJack, 4G and XM radio frequencies. Due to having a built-in battery with huge capacity it can provide you with excellent protection for a long time. And the best thing is that you can use it when charging so you can get 24 hours protection for your home, office, car and other places with constant power supply.At a glance... Blockes XM radios, LoJack tracking devices and 4G signals Jamming Range is 5- 20 meters Easy to install and to use Build-in high capacity battery with recharging status indicator Generates RF signals that can’t be traced Harmless to the health of human beings Technical Specifications Jamming Frequencies: XM radio: 2320 – 2345MHz4G LTE: (USA:725-770MHz) or (Europe:790-826MHz)LoJack: 167 – 173MHz Blocking Range:5- 15 meters Output Signal Strength: Total 900mw Power Supply: 200 mA DC 12 V Battery Specifications: 4600 mAh, (3 hours of operation, recharging takes up to 6 hours) Impedance: 50 ohm Size: 186 mm x 64 mm x 34 mm Weight: 0.600 kg Working Temperature: -10 C to +60 C Accessories Jammer for LoJack, 4G and XM radio AC adaptor Car adaptor Antennas Camouflage Design Fabric Material Portable Jammer Case Buy Black Fabric Material Portable Jammer Case here Buy one more Lithium-Ion Battery here 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.

cell phone amplifier

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Cell phone amplifier - how to block cell phone signal in a room



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