GSM900*DCS1800mhz Dual band Signal Booster ST1090B Max coverage 1000sqm24dBm signal repeater Dual system series are designed for business places indoor coverage solution. Such as the bookstore, the restaurant, the coffee shop, the KTV, the bar, the parking pot, the super market, big office.... It can support any two system of CDMA, EGSM, GSM, DCS, PCS, WCDMA, AWS, LTE. Features:1.Elegant and ...