... GSM 900mhz +1800mhz signal booster 980, GSM/DCS980(900/1800MHz) GSM+DCS booster, repeater Dualband GSM 900mhz +1800mhz signal booster 980, GSM/DCS980(900/1800MHz) GSM+DCS booster, repeater Dualband GSM/DCS ... suitable ;2. Gain: 3 dbi ;3. Suitable for 800-2500mhz ( CDMA,GSM,PCS,DCS,2.4G wifi suitable ) ;4. Max. power : 50W ;5 ...