GP-1650W     :GPS/WAAS plotter
GP-1650WD  :GPS/WAAS plotter with DGPS beacon receiver
GP-1650WF   :GPS/WAAS plotter with echo sounder
GP-1650WDF:GPS/WAAS plotter with DGPS beacon receiver and echo sounder
- High-accuracy GPS/DGPS/WAAS receiver
- 6" AR-coated high-contrast bright LCD for optimum viewing under direct sunlight
- Works with FURUNO MiniChart or NAVIONICS® Nav-Chart™ and C-MAPNT Chart
- Versatile display modes including:Course Plot, Nav Data, Steering,  Display, Highway
- Course plot in True Motion North-up/Course-up or Relative Motion North-up/Course-up
- Automatic or manual selection either WAAS, DGPS or GPS (GP-1650WD/1650WDF)
- Built-in DGPS beacon receiver with GPS/DGPS combo antenna (GP-1650WD/1650WDF)
- 50/200 kHz, 600 W dual-frequency echo sounder (GP-1650WF/1650WDF)