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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. Cellular Signal Booster System, Antenna , Directional Cell Phone Booster , 4g Antenna Booster ,Dual Band Repeater 4g . Lintratek focuses on the field of mobile communication network solution, insists on active innovation around customer needs. The product will supply to all over the world, such as Europe, America, Australia,Angola, Serbia,Cologne, luzern.Lintratek has been focusing on signal amplifiers for more than 20 years, specializing in the sale of 1-band 2-band 3-band 4-band 5-band.