Motorola Gm338 Programming Software __exclusive__ Free Best Jun 2026
Do not disconnect the cable or power off the radio while the progress bar is active.
Disclaimer: This article is for educational purposes for legacy radio hobbyists. Motorola is a registered trademark of Motorola Solutions, Inc. Always support official software if you are using the radio for commercial life-safety operations.
This usually means your COM port number in the software doesn't match the one assigned by Windows.
Navigate the left-hand menu tree to or Personality . Select a channel slot or click add to create a new one. motorola gm338 programming software free best
Unlike modern radios that use a simple USB cable, the GM338 utilizes a proprietary Motorola data protocol.
: Your radio firmware region doesn't match the software region. You will need to source the correct regional variant of the software or use a codeplug modification tool to bypass the region check.
. While historically a paid product, there are legitimate ways to access it: Motorola Solutions Customer Hub Do not disconnect the cable or power off
The Motorola GM338 is a legendary, rugged mobile two-way radio widely used in commercial, emergency, and amateur radio sectors. To customize frequencies, channels, and signalling features, you need the correct Motorola Customer Programming Software (CPS).
Older cables feature a DB9 serial connector, requiring a dedicated serial port or a high-quality Prolific/FTDI serial-to-USB adapter. Modern aftermarket cables feature an integrated USB chip inside the connector shell.
Motorola GM338 is a legacy analog mobile radio that requires specific Customer Programming Software (CPS) to configure its 128 channels and features. www.motorolasolutions.com Software Options Always support official software if you are using
Navigate to the "Conventional Personality" section to input your desired frequencies.
The Motorola GM338 is a powerhouse in the commercial two-way radio market. Known for its durability, expansive alphanumeric display, and exceptional audio quality, it is a staple for public safety, construction fleets, and amateur radio operators alike.
You specifically need the Professional Series CPS (often referred to by part numbers like HVN9025 or ENLN4115 ).
Most people fail here. They download "GM338_Software.exe" from a random mediafire link and immediately get a Trojan alert. Here is the safe path.
Here you can input your , Tx (Transmit) Frequency , and TPL/DPL (CTCSS/DCS privacy codes).
