Motorola GP340 Software — Complete Guide
The Motorola GP340 is a long-lived analog two-way radio model (popular in commercial, industrial, and municipal fleets). This article explains the software ecosystem used to program, manage, and interface with GP340 radios: what software exists, how it’s used, compatibility and drivers, common tasks, troubleshooting, and security/maintenance considerations.
Common Errors and Troubleshooting
When using Motorola GP340 software, you will inevitably encounter error messages. Here are the most frequent ones and how to fix them.
5.2. Clone Mode
Connect two GP340s via a cloning cable (side connector to side connector). In the CPS, select Tools > Clone. This copies the entire codeplug from one radio to another in seconds—far faster than programming each radio individually via PC.
9) Legal and regulatory notes
- Frequency licensing: Ensure programmed frequencies comply with local radio regulations and that users are authorized for those bands.
- Emissions: Avoid programming radios to operate outside allowed power levels or unauthorized bands.
The Programming Cable: RIB vs. RIB-less
The GP340 uses a two-pin accessory connector (Motorola standard). Two cable types exist:
- Traditional RIB (Radio Interface Box): A large, grey Motorola box that connects to a PC’s DB9 serial port. Reliable but obsolete.
- RIB-less USB Cable: A modern cable with a built-in FTDI chip that mimics the RIB. Critical note: The GP340 requires specific voltage levels. Cheap eBay cables often fail to read/write, throwing "Communication with radio failed" errors. The gold standard is the Motorola PMKN4012A or a high-quality aftermarket equivalent.
