A:Answer Attaching an antenna to the LG - 32" Class - LED - 720p - HDTV, Model # 32LM505BBUA is not a necessity, it is a preference. If you prefer to receive Over-the-Air (OTA) programming through an antenna on the TV, you can connect an indoor or external antenna to the F-Type, 75-Ohm, Coaxial connector in the back of the TV labeled as 'Antenna/Cable IN'...^IFV