High Quality NEW!!! Frequency Range: 174 - 860MHz Reception Range: VHF/UHF Gain: 25dB Output Level: 100dB µV Impedance: 75Ω Noise Figure: ≤3dBµ Power Supply: via USB 5V/50mA Coaxial Cable: 16.5ft Range up to 250 miles Crystal clear 1080p HDTV reception Weather Resistant HDTV Channels - Access to local news, weather, sitcoms, kids & sports, educational programs etc. Receive HD channels including ABC, CBS, NBC, CNN, Fox, Univision, etc. Detachable Amplifier Signal Booster - Provide added range & maximum signal reception for more channels if you are far away from broadcast towers. This is an amplified TV antenna, if a signal cannot be received with the external amplifier, remove the antenna amplifier & try again. How to set up: 1. Connect to 'ANT IN' on the back of any digital TV. 2. Place the antenna in an optimal position, usually window or on a wall. 3. Scan channels by selecting 'Menu' then 'Channel Search' & enjoy your TV programs.