... booster,Cell Phone Booster,Mobile Signal Booster,cell phone repeater,Mini re Dual band professional WBPR(mobile phone signal booster,Cell Phone Booster ... ,Mobile Signal Booster,cell phone repeater,Mini repeater,Mobile Signal Amplifer) Brief ... 1900M:1850~1910 / 1930~1990MHz 2100M:1920~1980 / 2110~2170MHz Dual band Booster