Summary: The long awaited AT-D578UVIII Pro Radio is here for DMR Mobile Users. This feature-packed "Pro" model includes GPS, APRS and Bluetooth, and for Operators in the USA, it also includes the 1.25M 220MHz band. Let's take a first look at this radio, how to update the firmware, attempting to load a codeplug, and some power output tests in this first, but certainly not last, episode.