While Motorola does not support the GM300 on Windows 10, the radio remains fully programmable using the original DOS RSS software through the DOSBox emulator. This requires intermediate technical knowledge regarding serial ports and DOS commands.
If the number is higher than COM4, right-click the device, go to > Port Settings > Advanced , and change the COM Port Number to COM1 or COM2 (ensure it does not conflict with an existing device). Step 4: Configuring and Running DOSBox motorola gm300 programming software windows 10 full
Place your GM300 programming folder in a safe place, for example, C:\GM300 . While Motorola does not support the GM300 on
64-bit Windows 10 (and Windows 11) cannot run 16-bit DOS applications directly. right-click the device
A "RIB-less" cable with a built-in USB-to-Serial converter is the most convenient option.