... noise figure 2) Low interference to BTS 30dbm GSM wide band repeater / signal booster for cell phones:1) Output 30dbm, gain 85db, works ... ; maintain safe and specific output signal levels and give alarms on self oscillation.2) The wide band consumer unit is an ideal ... , C30C-PCS, C30C-DCS, C30C-WCDMADiagram Application 30dbm GSM wide band repeater/signal booster for cell phones