Frequency Range: VHF: 174-230MHz; UHF: 470-862MHz 
Gain: max.28dB 
Max.Output level: 100dBmV 
Power supply: by DTV set-top box (DC 5V 40mA) or via AC / DC adapter (DC 12V 50mA) 
Impedance: 75 ohm 
Connector: F connector 
Noise figure: ≤ 3dB