B088BGF43K Signal Booster, KKmoon 20A-GDW 2G 3G 4G Triple Band Cell Phone Signal Booster 900/1800/2100MHz Mobile Cellular Signal Repeater Antenna Set

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??????luminum alloy case is practical and has perfect heat dissipation performance. LED signal light indicates the signal status.
??????ntelligent gain linkage technology, equipment without radiation, children, old people, pregnant women are not afraid.
??????arge range, strong converage, expand signal 250-400??, to meet daily needs. Coverage: 300-500 square meters without barriers.
??????mprove Gsm 900 Lte 1800 and Wcdma 2100 at the same time. Easy to install. This repeater set includes everything you need.
??????upport more than 20 cell phones to use at the same time. Support different operators which has GSM 900 1800 or WCDMA 2100 frequency band.