... & MGC function 3) CE approvel GSM Single band repeater -3G PCS GSM indoor repeater amplifier:1) Output from 20dbm to 27dbm ... from 70db to 80db, works on any GSM, DCS, CDMA, PCS and WCDMA systems; maintain safe and specific output signal levels ... . 7) Available Models: C20C-GSM, C20C-CDMA, C20C-DCS, C20C-PCS, C20C-WCDMA C24C-GSM, C24C-CDMA, C24C-DCS, C24C ...