... .S.W.R Good quality indoor gsm antenna GSM Booster Antenna Full day for working ,waterproofEasy to mounting Indoor GSM antenna Electrical SpecificationsModel AntennaXQC-900/1800ERFrequency ... .5GHz (wimax) / 5.8GHz / wireless spread spectrum communications antenna series(including: omni, grid , Yagi, indoor coverage ceiling. Wall,dish, plate, dual polarization ...