... 2) AGC function 3) CE approvel C10/C15/C20 gsm Booster/mobile repeater / amplifier1) Output from 10dbm to ... 60-70db, works on any of CDMA, GSM, DCS and WCDMA system; maintain safe and specific output signal levels ... extended phone battery life.6) Available Models: C10-GSM, C10-DCS, C10-PCS, C10-CDMA, C10-WCDMA ... DCS, C15-PCS, C15-CDMA, C15-WCDMA C20-GSM, C20-DCS,C20-PCS, C20-CDMA, C20-WCDMAApplication ...