... ;Selling point of product :1. Booster for GSM;2. Boster for 900Mhz;3. 4000 squre meters ... , you can use directly !!!!! Signal booster for dual band of GSM990 A mobile phone signal repeater provides ... Gain: 8 dbi ;3. Suitable for 800-2500mhz ( CDMA,GSM,PCS,DCS,2.4G wifi suitable ) ;4. Max. ... full set dual band booster,W/ cable&antennas,1000M2 to work,GSM+DCS,GSM booster,DCS booster,GSM/DCS repeater