Open the FMP24.cfg file and configure your dongle's PPM correction factor.
Extract all the downloaded DLL files into the exact same folder. Your directory must contain DSDPlus.exe and the external .dll files in the same workspace. Configuring DSDPlus for First Use
: Enhanced reliability for decoding multiple digital audio formats including DMR/MOTOTRBO , NXDN , and P25 Phase 1 . dsdplus 2.71 download
. Look for the "DSDPlus 2.71 Base Files" or the latest "Fast Lane" update if you are a subscriber. Extract the Files
Used heavily by rail industries and commercial entities. NEXEDGE: A Kenwood digital protocol family. dPMR: Digital Private Mobile Radio standard. EDACS ProVoice: An older digital trunking format. The Evolution of DSDPlus: Version 2.71 and Beyond Open the FMP24
DSD+ version 2.71 represents a major milestone in the software’s development, bringing robust protocol support, stability, and advanced features to the world of digital radio decoding. While more recent Fast Lane versions exist, 2.71 is still widely used and serves as an excellent starting point for anyone new to SDR‑based digital voice monitoring.
: Version 2.71 did not yet support P25 Phase 2 – that came in later Fast Lane updates. Configuring DSDPlus for First Use : Enhanced reliability
| Feature | Public Version (1.101) | Fast Lane (2.71+) | |---------|------------------------|-------------------| | Basic decoding (DMR, P25, NXDN, D‑STAR, ProVoice) | ✅ | ✅ (improved) | | Trunk tracking with two SDRs | ❌ | ✅ | | Per‑call recording (WAV / MP3) | ❌ | ✅ | | GPS / LRRP data display | ❌ | ✅ | | Con+ repeater maps | ❌ | ✅ | | Polarity override ( -p- ) | ❌ | ✅ | | Multiple simultaneous instances | ❌ | ✅ | | P25 Phase 2 | ❌ | ❌ (added later) | | Regular updates via email | ❌ | ✅ |
DSDPlus is a highly optimized digital signal processing application for Windows. It decodes various digital radio voice modes by processing raw audio from a hardware receiver or a software-defined radio (SDR) application. Supported Digital Protocols