... 3) Gain: 75dB/85dB/95dB 4) GSM,CDMA,UMTS,TETRA,IDEN, AISG,450CDMA Main ItemSpecificationUpLinkDownLinkFrequency Range350-460MHz 806-821MHz824-849MHz(on ... humidity<95%OthersRefer to user manual for more specification wireless IDEN Repeater (selective channel)