Cheap, counterfeit Prolific clones. Windows 10 automatically disables these via driver updates, resulting in an "Error Code 10 (Device cannot start)."

The GM300 uses an RJ45 (microphone jack) plug for programming.

Motorola Gm300 Programming Software Windows 10 -

Cheap, counterfeit Prolific clones. Windows 10 automatically disables these via driver updates, resulting in an "Error Code 10 (Device cannot start)."

The GM300 uses an RJ45 (microphone jack) plug for programming. motorola gm300 programming software windows 10