M330G71 M330 VHF w/GPS Marine Fixed Mount, BlackM330G71 M330 VHF w GPS Marine Fixed Mount, Black The M330 series gives you the same performance and feature set as the M424 series, but now within a smaller package to fit in tight spaces. Ultra Compact Body Speaker Delivers Dynamic, Clear Audio Built in Class D DSC with a CH70 Dedicated Receiver Class Leading Receiver Performance (IMD and Selectivity: more than 70 dB) Intuitive Operation with Icom Marine User Interface Easy to Read Full Dot Matrix