... repeater 2) with AGC function 3) CE approvel C10/C15/C20 Consumer Booster /cell phone signal repeater / amplifier:1) Output from ... , C15-DCS, C15-PCS, C15-WCDMA C20-GSM, C20-CDMA, C20-DCS, C20-PCS, C20-WCDMA C10 / C15 / C20 Consumer Booster/cell phone signal repeater/amplifier