... and fast shipping ;GSM 900MHZ Mobile Phone Signal Amplifier RF Repeater This device is specially designed for 900MHZ GSM mobile phone ... , small shopping malls, the office and small public areas, etc.; C, Traffic and social influence of large areas, such as bars ... good or bad. With Cable+Antenna,GSM booster,GSM repeater,900mhz booster,mobile phone repeater,600 square meters suitable,1 antenas included