The GP1650DF's sensitive GPS receiver gives accurate boat speed, heading and position information. For an even higher level of accuracy, the GP1650DF has an integral DGPS. And, if that isn't enough, the unit also features a dual-frequency (50/200 kHz) 600 Watt (RMS) 2400 P-P echo sounders that detect fish and provide detailed bottom information.
The unit accepts either Furuno or Navionics®
Fish finder Features
Transducer Plug on back of unit