⚪︎ Contents Antenna main unit set ⚪︎ Product Details This is the Robiner Indoor HDST Antenna. digital HDTV antenna, rectangular 335 x 235 *Some channels may be difficult to receive even indoors. Please note that the channels that are difficult to receive vary depending on the location and surrounding environment of the purchaser, so we cannot specify which channels will be difficult to receive. 185-51