... to 27dbm, gain from 70db to 80db, works on any GSM, DCS, CDMA, PCS and WCDMA systems; maintain safe and specific ... provideing a cost effective improvement in cellular in building coverage of a home, office, VIP rooms , parking lots, restaurant and building ... circuits, which can automatically control the gain of the repeater depending upon the strength of input signals.4) Compact size, low consumption ...