... /3g/dcs repeater 2) with AGC function 3) CE approvel C10/C15/C20 Consumer Booster /cell phone signal repeater / amplifier:1 ... working and signal condition indicators.7) Available models: C10-GSM, C10-CDMA, C10-DCS, C10-PCS, C10-WCDMA C15-GSM, C15-CDMA, C15-DCS, C15 ... C20-GSM, C20-CDMA, C20-DCS, C20-PCS, C20-WCDMA C10 / C15 / C20 Consumer Booster/cell phone signal repeater/amplifier