This unit features a built-in quad helix antenna for superior reception and can provide position accuracy to less than three meters when receiving WAAS corrections. In addition, it comes with a built-in basemap of cities, coastlines, lakes, rivers, interstates, and interstate exit information and a database of nautical navaids. This unit has eight megabytes of internal user memory for storing optional MapSource detailed maps, including marine cartography. Even more amazing, this units will actually float if accidentally dropped in the water. Current speed, average speed, resettable max.
Specifications are preliminary and subject to change without notice.