Eli-Mart via Amazon offers the Spess 50-Mile Amplified Digital HDTV Antenna SP-158A for $17.99. Coupon code "60YN6V2K" cuts it to $7.20. With free shipping for Prime members, that's $11 off and the lowest price we could find. It comes with a 13-foot coaxial cable and supports resolutions up to 4K. Deal ends July 23.