Navigate to "Conventional Personality" to add or edit channels. You can set: Transmit and Receive frequencies. TPL or CSQ tones for signaling. Channel names (Alpha Tags). Assign Zones: Ensure the channels you've created are added to a so they appear on the radio's display. Write to Radio:

Acquire a newer version of the Professional Series CPS (e.g., R06.12.05).

Using unofficial CPS is in most countries (though distributing it may violate copyright), but you must ensure you don’t brick your radio. Always read the radio’s codeplug first before writing any changes.

However, if you are a ham radio operator, a prepper, or a radio hobbyist, the

To program your GM338, you'll need the following hardware and software:

Adjust high/low transmit power levels per channel.

Plug the RJ45 end into the mic jack and the USB end into your PC. Turn the radio on.

Check your PC’s "Device Manager" to see which COM port (e.g., COM3) the cable is using.

If you are a licensed amateur radio operator, many local ham radio clubs maintain legal repositories of legacy software for educational and hobbyist use. Reach out to your local club technical coordinator for assistance. Required Hardware Setup for Programming

You may find various third-party forums and community sites offering the software as a "free" download. However, proceeding with caution is advised. Unofficial downloads can carry security risks. The safest route is to acquire the software legally via authorized Motorola dealers or through the Motorola Solutions Support portal to guarantee you receive official support and secure files. Essential Hardware: Cables and RIBs