: If you're having trouble finding the software, reaching out to Motorola's customer support might provide a direct solution or link.
The version of the CPS software you downloaded is older than the firmware currently installed on the GM338 radio.
Adjust high/low transmit power levels per channel. motorola gm338 programming software download upd link
The GM338 is primarily an Asia-Pacific model designation. You will typically need the Professional Radio CPS AZ (Commonly versions like PMVN4034 or PMVN4039). LA Region (Latin America): Known as the PRO5100. AA Region (North America): Known as the CDM1250. EMEA Region (Europe/Middle East): Known as the GM360. Where to Download:
Assign frequencies, squelch codes (CTCSS/DCS), and channel names. : If you're having trouble finding the software,
Click on > Set up Communication Port in the top menu, and select the COM port matching your Device Manager. Step 3: Reading and Programming the Radio Turn off the GM338 radio.
The most legitimate way to obtain the CPS is directly from or an authorized dealer. However, due to the GM338 being a legacy product, the software is not typically available for direct download from the company’s public website (the motorolasolutions.com domain appears to have no direct GM338 CPS link). The GM338 is primarily an Asia-Pacific model designation
– Motorola Solutions restricts CPS distribution to authorized dealers and verified owners. This is to prevent unauthorized modification that could violate FCC regulations (in the US) or cause interference on emergency frequencies.
The (VHF or UHF) you intend to program into your device.
In this post, we cover what software you need, the hardware required to connect, and the legal way to get an (update link) for your radio.
Files found on forums or "updater" sites often contain malware or corrupted drivers that can "brick" your radio.