... in RF amplifier for digital TV (DVB-T, DMB-T, SDB-T, and ATSC) Receiving frequency range: VHF-H: 170 to 230MHz UHF: 470 ... DC/35mAh ±10% (maximum) Power gain (typical): >20dBm, 15dBm (minimum) Operating temperature: -20 to +70 degrees Celsius Dimension: 20 x 29 ... items bearing such trademarks. Car Active antenna with built in RF amplifier for digital TV (DVB-T, DMB-T, SDB-T ...