Motorola Gm300 Programming Software Windows 10 • Must Read

What are you using? (USB-to-Radio, or Serial RS-232 through a RIB box?)

serial1=directserial realport:COM1

The GM300 does not support out-of-band frequency ranges without hardware modification. Trying to program a VHF GM300 (146-174 MHz) to 2-meter HAM band (144-148 MHz) usually works, but forcing UHF (403-470 MHz) to 440 MHz HAM band requires a frequency adjustment tool—not just software. motorola gm300 programming software windows 10

Do you know if your GM300 is a model? Share public link

Once the classic Motorola software loads, press to enter the Setup Menu. Press F3 to access the Communication Port settings. What are you using

You must tell DOSBox to link its internal virtual serial port to your real Windows 10 USB adapter.

A RIB (Radio Interface Box) or a "RIB-less" USB-to-GM300 cable. USB-to-Serial Driver: If using a USB cable, ensure the FTDI or Prolific drivers are correctly installed in Windows 10. 3. Setting Up DOSBox for Windows 10 Do you know if your GM300 is a model

Install VirtualBox or VMware running Windows XP or DOS, which offers better port management than DOSBox.