... antenna with built in RF amplifier for digital TV (DVB-T, DMB-T, SDB-T, and ATSC) Active antenna ... with built in RF amplifier for digital TV (DVB-T, DMB-T, SDB-T, and ATSC)Impedance: 75 ... in 30mA maximumOperating assurance temperature range: -20 to +60°CV.S.W.R.: <2Power gain: Typical: 20dBMinimum: 15dBCoaxial cable: ... with built in RF amplifier for digital TV (DVB-T, DMB-T, SDB-T, and ATSC)