Item No.:HDA-04 Amplified Digital &HDTV antenna in Vertical or Horizontal *Flat compact design, mini size to achieve little volume. *90degree dual support, suitable for signal receiption in Vertical or Horizontal polarization. *Compatible with DVB-T/HDTV, DMB-T/H, IDB-T, ATSC-T, ADTB-T. Operation Frequency: 160-230MHz; 470-900MHz Gain: 23dB Accessory: Adaptor, 12V commutator (booster), F connector Operation Voltage: DC4.5-12v/100mA ;AC 220V/15mA; AC110V/30mA Output Impedance: 75 OHM Packaging: gift box or blister packaging for each antenna