LED Electronic Moving Message Display Signs The Alpha 215C The 215 Displays up to 30 characters at the same time using Alpha's unique   compressed-rotate mode. Messages can be entered through a wireless remote control keyboard or with optional AlphaNET Plus software for Windows .  All Alpha displays can also be networked and connected to a computer to form an integrated visual information system.   Alpha 220C The Alpha 220C is longer, brighter, better! Adaptives' ALPHA 220C is specifically designed to get your message across as quickly as possible. The new, longer length provides more space to display your message in one line. Brighter, tri-color LED's come standard on this model, to give your message maximum impact. The Alpha 320C shown The Alpha 300 series The Alpha 300 Series features our most versatile, one-line indoor message center. The bold 3" characters displayed on the 300 Series can be read from a distance of 150 feet. They're ideal for use in services, industrial, and retail businesses as well as offices, lobbies, and transportation terminals.     The Alpha Big Dot The Alpha BIG DOT is exclusively designed for high-visibility indoor use. This quality display can be read from a distance of 15 feet away to more than 150' away because of its large 4" characters and hi-bright LEDs. The larger character height allows for ideal visibility in retail window and storefront applications.