Yes, with a TV antenna, you can experience high-definition channels or HDTV on your TV screens. Over-the-air broadcasts are transmitted in uncompressed, crystal-clear 1080i, in the highest quality picture and sound available. Many local broadcasts are aired in HD transmission, giving you the ultimate experience for watching live television. This can cover all major networks including ABC, CBS, NBC, FOX, PBS, The CW, etc. There are no extra costs involved.