DESC: Removable amplifier for maximum flexibility and performance. Extremely Low Noise (ELN) amplifier provides outstanding digital TV reception without saturating the signal. Hign gain picks up further stations. Optimized for HDTV reception. 360 reception technology eliminates need for constant adjustments. Unique reception technology outperforms traditional antennas. Designed to blend in with today s high-end HDTV systems. Dimensions: 9 x 9.75 x 2.48 . Operating Bandwidth: VHF: 174-216MHz UHF: 470-698MHz. Output Impedance: 75ohms. Amplifier Gain: 10dB typical. Power Supply: 12V DC 100mA UL Listed.