The provided PDF and MP3 Audiobook explains Digital Mobile Radio (DMR), a digital communication system for amateur radio, originating from commercial standards. It outlines the essential components for operation, including the DMR ID for unique radio identification and Customer Programming Software (CPS) for radio configuration. The text further details talk-groups for organized communication, time-slots allowing multiple conversations on a single frequency, and colour codes for distinguishing repeaters. It defines a channel as a combination of these settings, with zones organizing multiple channels, all bundled into a code plug for programming. Finally, the text introduces hotspots for internet-based network access and describes various interconnected radio networks like BC-TRBO and Brandmeister, highlighting their different talk-group addressing schemes.

 BC TRBO Talkgroup List