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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. Cell Phone Signal Strength Coverage, At&T Cell Phone Signal Booster For Home , 4g Amplifier , 4g Amplifier Repeater ,Verizon Home Phone Antenna . 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,Paraguay, Cyprus,Guinea, Curacao.China factory Lintratek focuses on selling signal amplifiers to Africa, Asia, Europe, North America and South America market.