Programming the Motorola GM350 Radio - Learning to Build a Programming Cable 

This video walks you through the process of connecting a programming cable for the Motorola GM350 two-way radio, as well as learning how to program it. It provides detailed instructions and visual demonstrations to guide viewers through the entire process. You can build the cable using a 1n4148 signal diode, an ethernet cable, and a usb to ttl converter. With this cable you can program the most commonly used features of the GM350 such as channels, CTCSS/DCS codes, and the major operating parameters.