Car Active antenna with built in RF amplifier for digital TV (DVB-T, DMB-T, SDB-T, and ATSC) Receiving ... : 5V DC/35mAh ±10% (maximum) Power consumption: 12V DC/35mAh ±10% (maximum) Power gain (typical): >20dBm, 15dBm (minimum) Operating temperature: -20 to +70 ... trademarks. Car Active antenna with built in RF amplifier for digital TV (DVB-T, DMB-T, SDB-T, and ATSC ...