The unit is compact, lightweight, portable and easy to use. The display has an 80 character, 2-line display. It's everything you need for home or office. This device comes with Fast Type for a "real-time" conversation. Fast Type speed goes to 110 baud for a professional typist or automatically go back down to 45.5 baud (American standard), if the other TTY doesn't have the same feature. With interrupt function, conversation with Fast Type will be more natural than the regular Baudot. It's supported by most of States Relay services