... Cellphone Signal Repeater, UMTS Mini Repeater). Mobile 3G Signal Booster (Cellphone Signal Repeater, UMTS ... Suitable for 800-2500mhz ( CDMA,GSM,PCS,DCS,2.4G wifi suitable ) ;4. Max. power: 50W ;5. Impedance ... Suitable for 800-2500mhz ( CDMA,GSM,PCS,DCS,2.4G wifi suitable ) ;4. Max. power : 50W ;5. Impendance ... signal is not good or bad. Mobile 3G Signal Booster (Cellphone Signal Repeater, UMTS Mini Repeater ...