The radio must be powered on (typically 13.2 Vdc) during the programming process to avoid data corruption. Essential Programming Steps
The software provides a Graphical User Interface (GUI) that allows the user to manipulate the radio's firmware and EEPROM settings. Through this interface, you can: Motorola Gm339 Programming Software
The Motorola GM339 is a popular mobile two-way radio used by various organizations, including public safety agencies, transportation companies, and private businesses. To optimize the performance and functionality of this device, Motorola offers a programming software specifically designed for the GM339. This software enables users to customize and configure the radio's features, ensuring seamless communication and efficient operation. The radio must be powered on (typically 13
The software acts as a bridge between your computer and the radio hardware. Key capabilities include: To optimize the performance and functionality of this
| Error Code | Meaning | Fix | |------------|---------|-----| | | Radio not found on COM port | Check cable, RIB power (9V battery or wall adapter), and COM port number. | | #31 | Checksum mismatch | The codeplug is corrupted. Write a fresh default codeplug from File → New → Select GM339. | | #130 | Frequency out of range | The GM339 is band-split specific. Check your model number tag (e.g., GM339 VHF only goes 136-174 MHz). | | Time-out | Slow baud rate | Go to Preferences → Set baud rate to 9600 (not 19200). RIBs work best at 9600. | | USB port not found | Driver issue | Use a Prolific driver v3.2.0.0 (older works better). Or switch to a native serial port laptop. |
Do not waste hours fighting driver errors on Windows 10. Instead: