After successfully writing to the radio, immediately save a backup:
After you've made your changes, it's time to send the new configuration back to the radio.
Motorola Solutions Business Online Portal. If you are a business or authorized dealer, you can purchase a software subscription (MOL - Motorola Online). A current subscription for Professional Series CPS costs approximately $150-$300 USD and includes updates.
The Motorola CM140 operates in the 136–174 MHz (VHF) or 403–470 MHz (UHF) bands. Unlike modern trunking radios, the CM140 is a conventional analog FM radio. Its programming software is not a simple GUI but a low-level tool that writes directly to the radio’s EEPROM (typically an Xicor X24C16 or similar). The CPS communicates via a serial protocol at 9600 bps, 8 data bits, no parity, 1 stop bit. motorola cm140 programming software
Plug the RJ45 end of the programming cable into the microphone jack. Plug the USB end into your computer.
The CPS validates the model number (e.g., AAM50KNC9AA1AN ) against its internal database. If a radio was reflashed with a different region’s codeplug, the CPS will refuse to read. Hex-edit the codeplug offset 0x0120–0x013F to match the original model. Requires raw EEPROM dump via external programmer (e.g., TL866).
To help me tailor any further technical advice, could you share a few details about your setup? After successfully writing to the radio, immediately save
The Commercial Series CPS is compatible with several models, including the CM140, CM160, CP040, and CP140. Key features include: Codeplug Management:
For the dedicated user, a few advanced points can be very helpful:
What (Windows 10, 11, etc.) are you running? A current subscription for Professional Series CPS costs
are commonly used. Note that older Motorola software may struggle with COM ports higher than 16, so it is best to assign your cable to a lower port (COM1–COM16) in Device Manager. Installation Tip: The software modifies the Windows registry; always restart your computer after installation to ensure it functions correctly. tutorials.techrad.co.za 2. Essential Hardware Programming Cable: You need a USB-to-Serial (RS232) cable
Connect the radio to a stable 13.8V DC power supply and turn the radio on. Step 2: Configure the COM Port Open the Windows . Expand the Ports (COM & LPT) section. Note the number assigned to your cable (e.g., COM3). Open the Motorola Commercial Series CPS.