Icom M424G VHF Radio w/Built-In GPS - White [M424G 42]M424G VHF Radio with Built In GPS White The M424G is an enhanced version of the M424 fixed mount VHF DSC and includes an integrated GPS Receiver, which allows current position and time to be used for DSC calls. With its striking white backlight LCD that improves visibility, the M424G also comes with the HM 205B speaker microphone with a large speaker. In addition, the optional HM 195G COMMANDMIC also incorporates a white backlight LCD and laser cut