... DCS, PCS and WCDMA system; maintain safe and specific output signal levels and give alarms on self oscillation.2) The wide ... Compact size, low comsumption, easy installation, cover about 5000-20000m2, high linear dsign, low interference to BTS.5) Multiple phones and ... repeater, extended phone battery life.6)LED light working and signal condition indicators.7) Available models: C30C-GSM, C30C-CDMA, ...