... Dualband GSM 900mhz +1800mhz signal booster 980, GSM/DCS980(900/1800MHz) GSM+DCS booster, repeater Dualband GSM 900mhz +1800mhz signal booster 980, GSM/DCS980( ... accessories . When you receive , you can use directly !!!!! Signal booster for dual band of GSM900 and DCS 1800Mhz together . GSM ... . Suitable for 800-2500mhz ( CDMA,GSM,PCS,DCS,2.4G wifi suitable ) ;4. Max. power : 50W ;5. Impendance : 50Ω ; ...