Motorola Gm339 Programming Software (2026)

(Adjust frequencies to your band and licensing.)

The Motorola GM339 is a legendary piece of LMR (Land Mobile Radio) history. As a member of the prestigious GM300 series (often lumped into the "Maxtrac" and "Radius" family tree), the GM339 is renowned for its rugged build quality, excellent receiver sensitivity, and ease of use in demanding environments like construction sites, event security, and public safety.

However, owning a GM339 in the modern era comes with one significant hurdle: programming software. Unlike modern radios that use USB plug-and-play, the GM339 requires a specific legacy ecosystem of software, cables, and operating systems.

If you have searched for "Motorola GM339 programming software," you have likely run into dead links, confusing version numbers, or malware-ridden "free download" sites. This article will cut through the noise. We will cover the correct software name (RSS vs. CPS), the hardware requirements, a step-by-step programming guide, troubleshooting common errors, and legal considerations.


The software, typically running on a Windows environment, utilizes a spreadsheet-style interface. Key areas of the configuration include:

Motorola GM339 is a professional mobile radio that requires specialized software and hardware for configuration. To program this device, you need the Professional Radio Customer Programming Software (CPS) and a compatible programming cable. 1. Required Software The official software used for the GM339 is the Motorola Professional Radio CPS Version Compatibility

: You must use a CPS version equal to or later than the one last used to program the radio. For instance, if the radio's codeplug was last written with version R07.01, you will need Professional CPS Version 7.01 or later to read or write to it. Operating Systems

: While newer versions of CPS may run on Windows 10 or 11, older versions were designed for Windows XP or 7. Users on modern systems often need to "Run as Administrator" or use compatibility modes to avoid file permission errors. 2. Programming Hardware Programming Cable

: You need a specific USB or serial programming cable with an RJ45-style (8-core crystal head) connector that plugs into the radio's microphone port. RIB vs. RIBless RIB (Radio Interface Box)

: Traditional setups require a separate box between the PC and the radio. RIBless Cables

: Modern USB cables often have the RIB functionality built directly into the cable housing. FTDI Chipset : It is highly recommended to use cables with the FTDI chipset

for better stability and driver compatibility on modern PCs. 3. Programming Procedure

Title: "Unlocking the Full Potential of Your Motorola GM339: A Guide to Programming Software"

Introduction: The Motorola GM339 is a popular and versatile two-way radio that's widely used in various industries, including public safety, transportation, and hospitality. While the radio offers a range of features and functions out of the box, its full potential can only be unlocked with the right programming software. In this post, we'll explore the world of Motorola GM339 programming software and provide a comprehensive guide on how to get started.

What is Motorola GM339 Programming Software? Motorola GM339 programming software is a specialized tool that allows users to customize and configure their two-way radios to meet specific needs and requirements. The software enables users to modify settings, assign functions to buttons, and even create custom channels and talkgroups.

Benefits of Using Programming Software: By using Motorola GM339 programming software, users can:

Popular Programming Software Options: Some popular programming software options for the Motorola GM339 include:

Getting Started: To get started with Motorola GM339 programming software, users will need:

Tips and Tricks:

Conclusion: Motorola GM339 programming software is a powerful tool that can help users unlock the full potential of their two-way radios. By understanding the benefits and options available, users can take their communication capabilities to the next level. Whether you're a seasoned radio user or just getting started, we hope this guide has provided a helpful introduction to the world of Motorola GM339 programming software.

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Unlocking the Full Potential of Your Motorola GM339: A Programming Guide

If you are looking to maximize the versatility of your Motorola GM339, understanding its Customer Programming Software (CPS) is essential. This powerful mobile radio supports up to 255 channels and extensive signaling protocols, but to access these features, you need the right tools and a solid workflow. The Essential Toolkit To begin programming, you need three main components:

Customer Programming Software (CPS): For the GM339 (specifically Asia/Pacific versions), you generally need the PMVN4039 software. Note that you must use a CPS version equal to or later than the one last used to program the radio.

Programming Cable: You typically need a cable with a USB Type-A connector for your PC and an 8-pin (RJ45-style) connector for the radio's microphone port. Many modern cables have built-in RIB (Radio Interface Box) logic, eliminating the need for a separate hardware box.

PC Requirements: Older professional series software often runs best on Windows XP, 7, or 10 depending on the specific CPS version and driver compatibility. Key Features You Can Configure

The CPS allows you to customize your fleet management through several key areas:

Channel Management: Assign specific frequencies, transmit power levels, and channel spacing (such as 12.5 kHz for narrowbanding). motorola gm339 programming software

Signaling & Privacy: Set up Private Line (PL) or Digital Private Line (DPL) codes to reduce interference, and configure PTT ID to identify incoming callers.

Programmable Buttons: Customize the P1–P4 buttons on the front panel for one-touch access to features like Emergency Signaling, Status Calls, or scanning.

Safety Features: Enable "Lone Worker" mode or "Stun/Unstun" capabilities to disable unauthorized radios over-the-air. Step-by-Step Programming Workflow MOTOTRBO CPS Download & Setup Guide | Motorola CPS Software

The Motorola GM339 is a versatile mobile two-way radio part of the Professional Series (Waris), primarily used in the Asia-Pacific region. Programming this device requires specific Customer Programming Software (CPS) and a compatible interface cable. Essential Programming Software

For the GM339, you typically need the Professional Radio CPS tailored for the Asia-Pacific or European region, depending on where your radio was originally sold.

Software Name: Professional GP300/GM300 Series CPS (typically PMVN4039 for the Asia-Pacific region). Common Versions: R03.11.16 (AZ): Widely used for Asian-Pacific models.

R06.11.10: A later version compatible with various Professional Series analog radios.

Operating System: Designed for Windows-based systems. Older versions may require Windows XP or compatibility mode on newer PCs. Required Hardware

Programming Cable: A cable with an RJ45-style (8-core crystal head) connector that plugs into the radio's microphone port.

PC Interface: Most modern users prefer a USB programming cable, though older "ribless" serial (DB9) cables are often more reliable for legacy software. Key Configurable Features Motorola GM339 & GM399 Mobile Radios | PDF - Scribd

Mastering the Motorola GM339 Programming Software: A Complete Guide

The Motorola GM339 is a workhorse in the world of professional mobile radio. Known for its versatility and ruggedness, it’s a staple for fleets, emergency services, and industrial operations. However, to unlock its full potential—including its 255-channel capacity and advanced signaling features—you need to master the Motorola GM339 programming software.

In this guide, we’ll break down everything you need to know about the software, the hardware requirements, and the step-by-step process to get your radio fleet-ready. What is Motorola GM339 Programming Software?

The GM339 belongs to the Motorola Professional Series (often referred to as the Waris platform). Unlike consumer radios, these units require a specific Computer Business Software (CPS) to configure frequencies, PL tones, button assignments, and signaling protocols like MDC1200 or Quick-Call II.

The software allows you to create a "codeplug"—a data file that acts as the radio's "brain," telling it exactly how to behave on every channel. Essential Requirements

Before you start clicking, you need the right toolkit. Attempting to program the radio with mismatched gear can lead to communication errors or, in worst-case scenarios, a "bricked" radio. 1. The Correct CPS Version

The GM339 typically uses the Professional Radio CPS (common versions include R06.12.05 or similar, depending on your region). Ensure your software version matches the firmware region of your radio (AA for North America, AZ for Asia/Pacific, LA for Latin America). 2. Programming Cable

The GM339 uses an RJ45 (8-pin) connector located on the front microphone port. You will need: An RS232 to RJ45 cable (if you have a native serial port).

A USB to RJ45 programming cable (most common today). Tip: If using USB, ensure the drivers for the Prolific or FTDI chip are correctly installed. 3. A Stable Power Supply

Never program a radio using a weak battery or an unstable power source. If the radio loses power during the "Write" process, it may become unrecoverable. Step-by-Step Programming Guide Step 1: Physical Setup

Connect your programming cable to the PC and the radio’s mic jack. Turn the radio on and ensure the volume is set to a normal level. Step 2: Reading the Radio

Open the CPS software. Always start by clicking "Read Device".

Why? This pulls the current configuration from the radio. It ensures you have a backup and that you are working with the correct frequency bands and settings for that specific hardware.

Save Immediately: Once the read is successful, save this file as "Original_Backup.cp" before making any changes. Step 3: Configuring Conventional Channels

Navigate to the Conventional Personality folder. Here you can: Assign Receive (RX) and Transmit (TX) frequencies.

Set TPL (Tone Private Line) or DPL codes to filter out interference. Adjust power levels (High/Low) for each channel. Step 4: Button and Accessory Configuration

The GM339 has several programmable buttons. Within the software, you can assign these to: Monitor: To open the squelch. Scan: To start/stop scanning lists. Emergency: To trigger a silent or audible alarm. Step 5: Writing to the Radio (Adjust frequencies to your band and licensing

Once you’ve input your data, click the "Write Device" icon. A progress bar will appear. Do not touch the cable or the radio until the software confirms the write was successful. The radio will typically reboot once the process is complete. Troubleshooting Common Issues

"Cannot Create Communication Bolt": This is usually a COM port mismatch. Go to File > Setup in the CPS and ensure the COM port matches the one assigned to your USB cable in the Windows Device Manager.

"Regional Mismatch": You are trying to use software meant for one region (e.g., Europe) on a radio from another (e.g., Asia). You must use the software version that matches the radio's region.

"Codeplug Version Not Supported": This means your software is older than the firmware in the radio. You will need to source a newer version of the CPS. Conclusion

The Motorola GM339 remains a top-tier analog radio, but its performance is only as good as its programming. By using the correct Motorola GM339 programming software and following a "read-then-edit" workflow, you can ensure your communications remain clear, secure, and professional.

Disclaimer: Always ensure you have the legal right to program and operate on the frequencies you choose. Unauthorized use of restricted frequencies can lead to heavy fines.

Programming the Motorola GM339 mobile radio requires specific "Customer Programming Software" (CPS) and a compatible hardware interface. This radio is a versatile communication tool often used in growing organizations because of its extensive list of programmable features, such as 255 channels and advanced signaling. 1. Essential Software & Hardware

To program the GM339, you will need the following components: Software: Professional GP300/GM300 Series CPS.

Version Compatibility: Ensure your software version is equal to or newer than the one last used to program the radio (e.g., version 7.01 or later is common).

OS Requirements: While originally designed for older Windows versions (XP or 7), newer cables often support Windows 10/11.

Programming Cable: A specialized cable, often with an RJ45 connector for the radio side and a USB or Serial (DB9) connector for the PC.

USB vs. Serial: Standard USB cables with FTDI chipsets are highly recommended for modern PCs to avoid driver issues.

RIB (Radio Interface Box): Some older setups require a RIB between the PC and the radio, but "RIB-less" USB cables are now more common and easier to use. 2. Basic Programming Steps

Once you have the software and cable, follow these general steps:

Connect: Plug the programming cable into the radio's microphone port (RJ45) and your PC's USB/Serial port.

Read Radio: Launch the CPS and select "Read Device" to pull the current configuration (codeplug) from the radio. Configure Settings:

Frequencies: Input the desired Transmit (TX) and Receive (RX) frequencies.

Signaling: Set up PL/DPL tones (CTCSS/DCS) to filter out unwanted interference.

Custom Buttons: The GM339 has 4 customized buttons that can be programmed for one-touch access to specific operations.

Write to Radio: Once changes are made, select "Write Device" to upload the new configuration. 3. Key Features to Program

Caller ID: Enables users to identify incoming callers on the 14-character alphanumeric display.

Voice Storage: If the optional board is installed, you can program messages or memos up to 120 seconds.

Emergency Mode: Configure specialized signaling for "Lone Worker" or emergency status.

The Invisible Architect: Understanding Motorola GM339 Programming Software Motorola GM339

is more than just a piece of vintage hardware; it is a cornerstone of robust, professional analog communication. While the radio provides the voice, the Customer Programming Software (CPS)—specifically the Professional Radio CPS—serves as its invisible architect, transforming a generic transceiver into a specialized tool for mission-critical operations. 1. The Gateway: Professional Radio CPS

belongs to the "Warisan" or Professional Series of Motorola mobile radios. Unlike modern digital systems that use MOTOTRBO CPS, the GM339 relies on dedicated software (often versioned under the HVN9025 or ENLN4115 packages) designed for analog logic Radiotronics UK.

Customization: This software allows technicians to define up to 255 channels, assigning specific frequencies (VHF 136–174 MHz or UHF 403–527 MHz) and privacy codes Motorola Solutions. The software, typically running on a Windows environment,

Signaling Logic: It manages the complex MDC1200 and Select 5 signaling protocols, which allow for features like Caller ID, selective calling, and emergency "silent" alarms. 2. Strategic Features Managed via Software

Programming the GM339 isn't just about setting a frequency; it’s about defining how a team interacts under pressure. Key parameters controlled via the software include:

X-Pand™ Technology: The software enables specific audio compression and low-level expansion levels, ensuring that audio remains crisp even in noisy industrial environments.

Scan Lists: Technicians use the software to create priority scan lists, ensuring that a driver or operator never misses a transmission on a primary emergency channel while monitoring secondary logistics traffic.

Button Mapping: The four programmable front buttons on the GM339 are blank slates until the software assigns them functions like "High/Low Power," "Repeater Talkaround," or "Monitor." 3. The Technical Bridge: Ribless vs. RIB Cables

One of the most "interesting" technical hurdles in GM339 programming is the interface. Historically, Motorola radios required a Radio Interface Box (RIB)—a hardware buffer between the PC and the radio.

Modern Shift: Most contemporary users have migrated to "ribless" USB programming cables, which integrate the level-shifting electronics directly into the USB connector.

Legacy OS Sensitivity: The software often requires legacy environments (like Windows XP or 32-bit Windows 7) to run reliably, making it a favorite topic for hobbyists and radio technicians who maintain "vintage" tech stacks Tech Wholesale. 4. Why It Matters Today

In an era of cellular saturation, the GM339 remains relevant because it offers deterministic communication. By using the programming software, organizations can build private networks that operate independently of public infrastructure. The software ensures that the radio is not just "on," but is optimized for the specific terrain and operational rhythm of the user.

Whether it's a mining fleet in the Outback or a security team in a stadium, the Motorola GM339 programming software remains the essential tool for turning a silent box of electronics into a lifeline.

To program the Motorola GM339 mobile radio, you need the official

Customer Programming Software (CPS). This software is part of the Motorola Professional Series (Waris) lineup and is specifically designed for the Australia, New Zealand, and Asian Pacific regions. www.radiotronics.com.au Required Components PMVN4039 Programming Software (Official version for GM339/GP339 series). Programming Cable

: A USB-to-8-core crystal head (RJ45-style) cable that connects the computer's USB port to the radio's microphone jack. Hardware Interface

: Modern cables often integrate the Radio Interface Box (RIB) functionality, meaning a separate RIB is frequently not required for this model. www.radiotronics.com.au Key Programming Features

The CPS allows you to configure several advanced radio functions: Channel Management : Program up to 255 channels with individual power outputs and PL/DPL privacy settings. Signalling

: Configure 5-tone selective signalling protocols (e.g., ZVEI, CCIR) or user-defined standards. Custom Buttons : Map specific features to the 4 programmable buttons on the front panel. Safety Features

: Enable "Lone Worker" mode, which triggers an emergency alert if the user doesn't respond after a set time. General Settings : Set passwords, disable LEDs, and adjust scan hang times. Manasrekha Basic Programming Steps Preparation

: Install the necessary USB drivers for your programming cable to ensure the computer recognizes the hardware. Connection

: Plug the USB end into your PC and the RJ45 end into the radio's microphone port while the radio is powered on Read Radio

: Launch the CPS and select "Read" to pull the current configuration from the radio. Always save a backup of this original codeplug before making changes. Edit & Write

: Modify the frequencies, signalling, or button assignments. Once finished, select "Write" to upload the new configuration to the device. Troubleshooting Tips COM Port Issues

: If the software can't detect the radio, verify the correct COM port is selected in the software's communication settings. Connection Errors

: Check for loose connections or insufficient radio power. Ensure you are using the latest version of the CPS to avoid compatibility bugs. Lone Worker alerts specifically? Motorola GM339 & GM399 Select V Mobile Radios

Most people expect to use Motorola CPS (Customer Programming Software) — but the GM339 is actually part of the Professional Series, closely related to the GM340, GM360, and GM380.

Correct software:

Common mistake:
Trying to use GM300 or Maxtrac software. Different architecture entirely.


Finding the legitimate software is tricky because Motorola no longer sells or supports RSS for the GM339. The software is considered "End of Life" (EOL) and is typically found via preservation sites or hobbyist forums.

Technically, no. Motorola still holds the copyright. However, since the hardware has been discontinued for over 20 years, Motorola generally does not enforce copyright on hobbyist usage of RSS. For commercial/public safety use, you should source an original Motorola programming disk (floppy) via eBay.