Use Amazon coupon code Y43CMZ3G during checkout. Amazon has this 1byone Digital Amplified Outdoor/Attic HDTV Antenna for $39.99 after instant savings. Apply the promo code at checkout and the price drops to $19.99. Shipping is free for Prime members or with orders of $49 or more. This antenna has a 60-mile range and previously sold for $59.99. This deal is available for a limited time.