The official GM350 programming software is a legacy DOS-based application. It does not run natively on modern 64-bit Windows 10 or Windows 11 operating systems.
: Smaller radio enthusiast archives like Planet.ee often store international versions of the software (e.g., Ver. R03.01.06).
If you want, I can:
Connect the GM350 to a stable 13.8V DC power supply. Do not attempt to program a radio powered by a weak battery.
The software you use must match or exceed the firmware version of your radio. There are distinct software versions for 4-channel models and 128-channel models. 2. Where to Download Motorola GM350 Software Motorola Gm350 Programming Software Download
: This software was designed for MS-DOS or Windows 3.1/95/98. Running it on Windows 10 or 11 typically requires a virtual machine (like VirtualBox running XP) or DOSBox . Where to Download
Give you instructions on for this, if you're not comfortable with DOSBox. Let me know which you prefer! Programming the Motorola GM350
The GM350 utilizes the front microphone port (RJ45, 8-pin) for programming. You need an or RJ45 to USB programming cable. RIB (Radio Interface Box) vs. RIB-less Cables
You cannot use a standard USB cable. The GM350 uses a proprietary Motorola connector. You will need: The official GM350 programming software is a legacy
The Motorola GM350 Go to product viewer dialog for this item.
Because the GM350 programming software relies on precise timing loops inherent to MS-DOS, attempting to double-click the .exe file in Windows will fail. Use one of these two methods to run the software safely: Method A: DOSBox (Recommended for Beginners)
Right-click the installation executable and select . Navigate to the Compatibility tab.
Select to set general options like time-out timers and squelch levels. Go to Mode Configuration (Channels). The software you use must match or exceed
The Motorola GM350 is programmed using a specific version of the (formerly known as RSS - Radio Service Software). Over the years, Motorola released several versions. For the GM350, the most compatible versions are:
Open the software by executing the .EXE file (usually GM350.EXE ). Method B: Using DOSBox on Modern Windows (Alternative)
If you are using a modern PC, you will likely need a high-quality USB-to-Serial adapter. Ensure it uses an authentic FTDI or Prolific PL2303 chipset. Cheap, counterfeit chips cause communication drops that can corrupt your radio. Step-by-Step Installation and Environmental Setup