Motorola Gm339 Programming Software Jun 2026

Connect the radio to a reliable 13.8V DC power supply. Never attempt to program a radio powered by a weak or fluctuating vehicle battery. 2. Step-by-Step Programming Guide

Do not bump the cable, turn off the radio, or close the software during this process. Interrupting a write cycle can corrupt the codeplug and "brick" the radio.

Because this is legacy software, it often runs best on Windows 7 or Windows 10 (32-bit) . While it can run on 64-bit systems, you may encounter driver issues with the USB-to-Serial chipset (ensure you have the latest Prolific or FTDI drivers). motorola gm339 programming software

Whether you are programming for or commercial business use? If you already have a programming cable ?

To program the GM339, you need the . Depending on your geographic region, this software goes by different names and codebases: Connect the radio to a reliable 13

Right-click the Windows Start button, open Device Manager , and expand Ports (COM & LPT) . Note the COM port number assigned to your cable (e.g., COM3).

Set or DPL codes to filter out interference. Adjust power levels (High/Low) for each channel. Step 4: Button and Accessory Configuration Step-by-Step Programming Guide Do not bump the cable,

It is important to understand that Motorola's CPS is copyrighted software intended for authorized dealers. Sharing or downloading it from unofficial sources exists in a legal gray area. The best and most legal way to obtain it is to maintain a relationship with a Motorola two-way radio dealer.