Open your computer's Device Manager to identify which has been assigned to the programming cable. 3. Reading and Editing the Codeplug Launch the Motorola Professional Radio CPS.
for North America/International) that matches your radio's model number, such as AZM25SHF9AA5 Where to Download Motorola officially distributes software through their Motorola Solutions Business Online (MOL)
Due to the age of the GM338, the software is no longer officially supported or directly sold by Motorola Solutions . However, it is available through community archives and authorized resellers of legacy equipment. Reliable Sources for Software
Because the GM338 CPS is legacy software, modern operating systems may block or corrupt the installation process. Right-click the installer file (usually setup.exe ). Select , then navigate to the Compatibility tab. motorola gm338 programming software download upd upd
and connect the programming cable. In the CPS software, go to the "File" menu and select "Read Device". This action pulls the radio’s current settings, known as a codeplug, into the software. 3. Make Your Edits and Updates
If your system uses privacy tones (CTCSS/DCS), enter the specific tone frequency or code under the Rx and Tx signaling columns. Leave them blank or set to "CSQ" (Carrier Squelch) for open audio.
Connect the RJ45 end to the front panel microphone port of the GM338. Turn on the radio power supply. Open your computer's Device Manager to identify which
Motorola Solutions now makes its CPS available directly to users at no charge. To access it, you will need to create a business account on the Motorola Solutions website. It’s a simple, though slightly bureaucratic, process.
Insert the RVN4191 CD or run the installer as Administrator. Accept defaults. Restart your PC.
Follow the installation instructions provided with the software. Typically, this involves running an executable file and following the prompts. Right-click the installer file (usually setup
This guide explains how to safely acquire, install, and use the programming software for the Motorola GM338. Understanding the Software Requirements
While this is the safest and most legitimate path, you may also find the software on various amateur radio forums or through technical support from a radio dealer. However, an official download is always recommended to ensure you have a clean, virus-free version with the correct files.
