AZ (Asia Pacific), LA (Latin America), AA (North America), MD (Europe/Middle East/Africa).
If you are an amateur radio operator or working with discontinued equipment, reputable radio community archives and forums (such as RadioReference or Austech) often host legacy software directories. When downloading files labeled as “motorola gm338 programming software download upd upd” from online archives, always:
Once changes are configured, click or Communication > Write .
: Support for MDC1200 and Quick Call II . motorola gm338 programming software download upd upd
When you launch the program, the splash screen should say . If it says "Commercial Series" or "MTSX", close it immediately—you risk writing incompatible codeplug data.
Once the software is running and the radio is connected, you can read from or write to the radio. CPS is used to manage codeplug data, which contains frequencies, signalling schemes (MDC1200, DTMF), power levels, and other radio settings.
Motorola Solutions generally manages software distribution through secure portals. AZ (Asia Pacific), LA (Latin America), AA (North
Now that you have the complete roadmap, you are ready to take control of your GM338 and configure it exactly the way you need. Happy programming!
Because the GM338 has been in service for years, it has undergone multiple firmware upgrades.
Pushing firmware updates to the radio's logic board to expand features or resolve known operational glitches. : Support for MDC1200 and Quick Call II
If you just need to tweak a few channels, consider hiring a local radio shop – it may cost less than buying the software and cable.
The radio will typically emit a confirmation beep and reboot automatically once the process completes successfully. 5. Troubleshooting Common Connection Errors Error Message / Issue Root Cause Wrong COM port selected or missing USB drivers.