The GM338 must be powered by a stable 13.8V DC source during programming. Interrupted power during a "write" process can brick the radio.
Before you initiate the download and installation, ensure you have the following hardware: The GM338 must be powered by a stable 13
Adjustments that allow the 16-bit or 32-bit software to run smoothly on 64-bit Windows environments. The GM338 must be powered by a stable 13
A specialized Motorola 20-pin or RJ45 connector to USB/Serial cable. The GM338 must be powered by a stable 13