RepeaterChina 23dBm 900MHz&1800MHz&2600MHz Tri Band Signal Booster /GSM Repeater Extender (GW-23R-GDL), Find details about China Signal Booster, GSM Repeater from 23dBm 900MHz&1800MHz&2600MHz Tri Band Signal Booster /GSM Repeater Extender (GW-23R-GDL)