Digital is the future of television. The Coby DTV-102 ATSC Standard-Definition Converter Box converts over-the-air Digital Television signals for use with older standard definition TVs (480i). It is compatible with all 18 ATSC signal formats and features easy-to-use on-screen Electronic Program Guide support. Receives free Over-the-Air (OTA) Digital Television signals Downconverts OTA HDTV signals for use with Standard- and Enhanced- Definition TVs (480i/480p) Compatible with all 18 ATSC signal formats. On-screen Electronic Program Guide spport.