... rooms, a small supermarket, small shopping malls, the office and small public areas, etc.; C, Traffic ... public security system and road safety management, etc. The product include one indoor antena with cable 15M , ... shall be as good as possible . The product will not work good if our outdoor signal is ... bad. With cable+antenna,1000 square meters work,GSM booster,GSM repeater,900Mhz booster,GSM signal ...