How it works: Uses "over-the-air" digital signals of local broadcast partners. USDTV set-top box receives signal using standard VHF/UHF antenna.

Benefits: Digital-quality picture (think DVD-quality picture) and sound on standard TVs. High-definition picture available on HD-ready TV set. Home theater systems receive digital surround sound.

Programming: All the local and national network programming from ABC, CBS, Fox and NBC, plus several cable networks such as ESPN, Fox News Channel, Disney and Lifetime. USDTV averages 30 all-digital channels per market.

Cost: $19.95 per month (locked in for two years). "Accelerated dial-up" Internet option available for an additional $10 per month.

Start-up kits: $24.95 and available at Wal-Mart stores and soon R.C. Willey Home Furnishings, or by calling 877-438-8738. Includes free installation. If antenna is needed, USDTV has them for $39.95.

More information: USDTV demonstration vehicle at Wal-Mart parking lot, 350 W. Hope Ave., 3 to 5 p.m. today.