A RIB-less USB programming cable designed for the Motorola RJ45 mobile radio connector.

A: While R05.16 is common for basic programming, the MOTOTRBO Depot Tool 14.0 (2025 update) supports newer firmware and advanced features.

This product (GM3688 Business Radio) has been discontinued and is no longer available for purchase from Motorola Solutions. www.motorolasolutions.com MOTOTRBO XiR M3688 Mobile Radio - Motorola Solutions Asia

Before you start the programming process, you need to gather the following: A Windows-based PC. Software: The installed GM3688 CPS.

If you’re reading this, you’ve probably just done something brave. You’ve either rescued a dusty, tank-like Motorola GM3688 from the back of a fleet vehicle, or you’ve inherited a warehouse full of them. You’ve got the power cable, you’ve got the weird-looking RJ45-to-serial cable, and you’ve got a stubborn look on your face.

: Platforms such as YE3CIF provide direct download links for various CPS versions. Hardware Requirements for Programming

Motorola GM3688 Programming Software Download: Complete Guide

: While official downloads are often restricted to authorized dealers, legacy versions are frequently hosted on specialized radio enthusiast sites like The DXZone or Radioscanner.ru .

Securing the software requires caution, as outdated or modified files can corrupt your radio's codeplug. 1. Official Motorola Solutions Channels

: Plug the RJ45 end of the cable into the GM3688 mic port and turn the radio on.

Connect the programming cable to your computer's USB port and the RJ45 port on the front of the Power On: Turn on the radio. Open Software: Launch the Motorola CPS.

Plug the cable into the PC's USB port and the GM3688's microphone jack. Launch CPS: Open the Commercial Series CPS software.