Plug your cable into the PC. Open your and look under "Ports (COM & LPT)." Note the COM Port number assigned to your cable (e.g., COM3). If there is a yellow exclamation mark, you may need to install the specific USB-to-Serial driver for your cable. 2. Reading the Radio Connect the cable to the radio’s side accessory port. Turn the radio ON and set the volume to about 50%.
Many amateur radio enthusiast sites and legacy radio support forums host the old CPS R09.04 software.
⚠️ Do use Motorola “Commercial Series CPS” or “GP68 software” – they are incompatible. motorola gp88s programming software
The software allows you to program either VHF (136–174 MHz) or UHF (400–470 MHz) variants, depending on your hardware model. Required Hardware for Programming
To help you get your programming setup running smoothly, let me know: What is your computer running? Plug your cable into the PC
After entering your desired configuration, save a backup copy of the file to your computer ( > Save As ). Click the Write button (or go to Device > Write Radio ).
Look under to see if the cable is recognized. Many amateur radio enthusiast sites and legacy radio
The Motorola GP88S is a legacy VHF/UHF handheld radio used in commercial and industrial settings. Programming software enables frequency, channel, PL/DPL tones, power levels, channel names, and other radio parameters to be configured from a computer rather than via the radio’s keypad.