: Essential for understanding the menu navigation and programmable button functions before attempting to change them in the software.
: You must have a specialized ribless programming cable that connects your PC's USB or Serial port to the radio's microphone jack.
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. motorola gm338 programming software free best
Restore your backup file using an older operating system setup (Windows XP/7 environment).
Go to and select the matching COM port number found in Device Manager. Click the Read Device icon (or press Ctrl + R ). : Essential for understanding the menu navigation and
is a discontinued legacy model, finding the specific "Professional Series" CPS through official channels can be difficult
Tip: Buy cables with an . Cheap cables with counterfeit Prolific chips frequently drop connections mid-write, which bricks the radio. Always read the radio’s codeplug first before writing
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Free software is useless without the correct cable. The GM338 requires a (connects to the mic jack). Note the following:
Adjust high/low transmit power levels per channel.