Motorola Gm339 Programming - Software

Because this is legacy software, it often runs best on Windows 7 or Windows 10 (32-bit) . While it can run on 64-bit systems, you may encounter driver issues with the USB-to-Serial chipset (ensure you have the latest Prolific or FTDI drivers).

: Most modern users prefer a USB programming cable, though older "ribless" serial (DB9) cables are often more reliable for legacy software. Key Configurable Features Motorola GM339 & GM399 Mobile Radios | PDF - Scribd motorola gm339 programming software

: A USB-to-RJ45 programming cable is typically used. Some older setups might use a DB9 serial cable with a Radio Interface Box (RIB), but many modern cables have the RIB circuitry built-in for a direct USB connection. Because this is legacy software, it often runs

While originally designed for older Windows versions (XP or 7), newer cables often support Windows 10/11. Key Configurable Features Motorola GM339 & GM399 Mobile

Set up PL/DPL tones (CTCSS/DCS) to filter out unwanted interference.