We specially manufacturer followings products since 1995: *GSM FullBand/Band Selective Signal Booster, *CDMA FullBand/Band Selective Signal Booster, *DCS FullBand/Band Selective Signal Booster, *PCD FullBand/Band Selective Signal Booster, *WCDMA FullBand/Band Selective Signal Booster Today, We would like to introduce New GSM Full Band Signal booster: Specification: Frequency Range: Uplink 890~915MHz Downlink 935~960MHz Output Power: 15dBm Gain: 50/60/70dB Noise Figure: