Digital Radio for Self Reliant
Colorado Amateur Radio Broadband Network started out as a high speed data group in the Amateur Radio service. Only after the 2020 shutdown the group realized that the term "Broadband" meaning there was room on the bands for data in different areas.
D-Star
D-STAR (Digital Smart Technologies for Amateur Radio) is a digital voice and data protocol specification for Amateur Radio.
Packet
Packet radio is a particular digital mode of Amateur Radio ("Ham" Radio) communications which corresponds to computer telecommunications.
APRS
Automatic Packet Reporting System (APRS) is an amateur radio-based system for real time digital communications of information of immediate value in the local area.
C4FM / WIRES-X
WIRES (Wide-coverage Internet Repeater Enhancement System) is an Internet communication system which expands the range of amateur radio communication.