The MX420 system establishes itself as the world’s best type-approved navigator by integrating DGPS technology with Litton already world famous GPS marine navigation system. Use the MX420 with either autonomous GPS smart antenna MX421, or the smart DGPS receiver/antenna MX521.

A smartly designed control and display unit, the screen is brilliantly clear, with large readable characters. It allows one-button access to essential navigation data. User-friendly features include the Edit function, last-used menu memory, and automatic satellite acquisition.