HotSpot node for DMR / D-STAR / C4FM / NXDN / P25 / POCSAG Before talking about hotspots, nodes, access points and repeaters, let's briefly compare the digital modes. Digital voice modes compared Mode Developed by Codec Modulation Access Bandwidth Rate Channe... C4FM D-STAR DMR Hotspot MMDVM UW0WU • March 12, 2022