... 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 ohms typ.Receiving frequency ... 20 to +60°CV.S.W.R.: <2Power gain: Typical: 20dBMinimum: 15dBCoaxial cable: length 5mconnector: F plug, IEC plug, SMA plug, ... in RF amplifier for digital TV (DVB-T, DMB-T, SDB-T, and ATSC)