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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 GSM Amplifier, Cellular Network Repeater , Inside Cell Phone Antenna , Mobile Gsm Repeater ,4g Mobile Network Booster . Lintratek is a high-tech enterprise founded in 2012, with 12-year experience of manufacturing and selling,supplies 1-5 band signal booster. The product will supply to all over the world, such as Europe, America, Australia,Grenada, Malawi,Sri Lanka, Buenos Aires.China factory Lintratek focuses on selling signal amplifiers to Africa, Asia, Europe, North America and South America market.