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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. China Signal Booster and Cell Phone Signal Repeater for Wholesale, Gsm Repeater 4g , T Mobile Signal Booster , Cellular Signal Booster ,4g Cell Phone Repeater . Lintratek have R&D Studio, Warehouse, Storehouse, Showroom, Headquarters Office.... We can supply you product certificate and testing report if you need. The product will supply to all over the world, such as Europe, America, Australia,Paraguay, South Korea,Guatemala, Latvia.Lintratek has focused on manufacturing and selling products of telecommunication for about 20 years.