Provides digital voice communication

D-STAR gives users the ability to connect via digital voice as well as slow and high-speed data communications. Slow-speed digital voice and data are transported at 4800 bps, of which 3600 bps is used for voice transmission and the remaining 1200 bps is used for synchronization and general use. Of that 1200 bps, around 900 bps is available for the transmission of data.