With cable+antenna,1000 square meters work,GSM booster,GSM repeater,900Mhz booster,GSM signal booster,GSM signal repeater Full set GSM970 ... and the indoor antennas which you are using). B. Outdoor Antenna : 1. Frequency: 806-960Mhz2. Bandwidth: 154MHz3. Gain: 7dBi4 ... good or bad. With cable+antenna,1000 square meters work,GSM booster,GSM repeater,900Mhz booster,GSM signal booster,GSM signal repeater