Wireless TV uses a much lower bandwidth, and picture quality, than HDMI offers. ATSC (current US over the air HDTV standard), for example, delivers around 18mbp

Wireless TV uses a much lower bandwidth, and picture quality, than HDMI offers. ATSC (current US over the air HDTV standard), for example, delivers around 18mbps, three orders of magnitude less than HDMI. SDTV did not use bits, it was analogue (and had even less quality than ATSC).