... 4000square meters suitable,3W(35dBm) Output Power,gain 85dB,GSM Cell Phone booster,Cell Phone repeater,GSM 900Mhz repeater 100% guaranty and fast shipping ... . Suitable for 800-2500mhz ( CDMA,GSM,PCS,DCS,2.4G wifi suitable ) ;4. Max. power : 50W ;5. I mpendance : 50Ω ;6 ... 4000square meters suitable,3W(35dBm) Output Power,gain 85dB,GSM Cell Phone booster,Cell Phone repeater,GSM 900Mhz repeater