You're looking for information on the Motorola GM950 Plus programming software. Here's what I found:
with the "Plus" model; users must ensure they have the specific RSS version (e.g., R05.00.02) designed for the GM950 Plus. Expert Verdict Programming the Motorola GM950 on Windows 10 motorola gm950 plus programming software
| Feature | DOS RSS (e.g., R02.00) | Windows CPS (e.g., R06.12) | | :--- | :--- | :--- | | | True DOS (or DOSBox) | Windows 98/XP/7 32-bit | | Speed | Very fast, stable | Slower, but user-friendly | | Features | Low-level tuning, alignment | Basic channel programming | | Risk | High (can brick radio easily) | Medium | | Hardware | Serial RIB required | USB RIB-less possible | You're looking for information on the Motorola GM950