Set up MDC1200, Quick Call II, and DTMF signaling for selective calling and radio identification.
the repackaged CPS software (ensure file integrity with antivirus scanning first)
The Motorola GM338 utilizes the Professional Radio CPS ecosystem. Because this software was originally developed for older Windows environments, standard retail installations frequently encounter compatibility issues on modern 64-bit operating systems.
is a legendary workhorse, often found in everything from construction sites to public service vehicles. While the hardware is robust, programming it correctly requires specific tools and caution regarding third-party "repack" software downloads. Repeater Builder® The Standard Programming Setup Set up MDC1200, Quick Call II, and DTMF
You cannot program the radio with software alone. Ensure you have the following hardware components before beginning:
The GM338 requires specific legacy software, usually the (often version AZ/PMVN4082 or similar, depending on your region). This software allows you to interface with the radio via a specialized programming cable connected to a PC. Core Functions of the CPS:
A specialized cable featuring an RJ45 (ethernet-style) connector on one end for the radio’s microphone jack, and a USB or DB9 Serial connector on the other. is a legendary workhorse, often found in everything
Windows 7, 8, 10, 11 (32-bit & 64-bit with compatibility patches) Physical COM Port or USB-to-RS232 Serial Adapter Cable Type RJ45 to DB9 (or integrated USB programming cable) Software Version
Disable temporary antivirus shields if the modified installer is mistakenly flagged as a false positive. Run the installer as an Administrator.
The specific you are seeing, if you have already tried reading the radio? Ensure you have the following hardware components before
The repack community has emerged for several practical reasons:
: If using a USB cable, install the required driver before connecting the cable.
Click the icon, or navigate to Device -> Write .
It’s important to understand the legal landscape surrounding repackaged software:
: Successfully programming an older radio like the GM338 can be a challenge on modern operating systems. The original CPS was designed for Windows 95/98. While some have had success on Windows XP or even Windows 10 in compatibility mode, many users find it most reliable to use an older PC with a true hardware COM port or a dedicated setup with Windows XP.