Enjoy HDTV network programming and your favorite shows for free. No monthly fee, no subscription, no contract. SMARTBOOST advanced technology with dual stage amplification boosts weak signals to deliver the most crystal-clear channels. Unique flat-panel element design and extendable dipoles to receive the most local channels. Receives TV broadcasts including 8K, 4K, and standard HD formats for highest quality picture and sound. NextGenTV (ATSC 3.0) compatible to deliver stunning 4K NextGenTV (ATSC 3.0) compatible to deliver stunning 4K Ultra HD picture and movie theatre quality sound. Dipoles extend and adjust for digital and analog channels 2-13. Capable of receiving low VHF channels. 6-foot built-in coax cable. Dependable backup television source when storms knock out cable or satellite television.