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Lintratek China factory manufacturer supplies 1-5 band signal booster to enhance smart cell phone signal receipt, product verified by CE, FCC, certificate. Phone Signal Extender, Gsm Signal Booster , 3g 4g Repeater , Antenna ,Mobile Phone Signal Enhancer . Lintratek Cell phone signal booster 1-band, 2-band, 3-band, 4-band, 5-band,Applicable scenes are cafes, supermarkets, factories, hotels, office,buildings. The product will supply to all over the world, such as Europe, America, Australia,Greek, Gabon,Colombia, Barcelona.Mobile phone GSM UMTS LTE signal booster ALC MGC customization for the office hotel network solution.