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1-band, 2-band, 3-band, 4-band, 5-band cell phone signal booster, for different scale space: home, office, hotel, factory, shopping mall, business building. Mobile Hotspot Booster, At&T Cell Signal Booster , 4g Lte Repeater , Mobile Cell Phone Antenna ,At&T Cell Phone Extender . 11 year telecommunication manufacturer Lintratek,Focus on supply good telecommunication environment to people all the world. The product will supply to all over the world, such as Europe, America, Australia,Germany, Greece,Lesotho, Albania.China factory Lintratek focuses on selling signal amplifiers to Africa, Asia, Europe, North America and South America market.