With these filters

Alarm-Ready H x Dia Volts  Yes 6-1/4" x 2-1/2" 12

meters per second

AutoAnchor™ Rode Counters

see also hydraulic power steering

GPS Antenna with Battery With these filtersThe Zipwake external GPS antenna is a 5Hz, 20 channel receiver with excellent reception that provides accurate and rapid vessel position and speed updates. Vessel speed is a necessary input for the Zipwakersquo; s automatic motion controller. The antenna has a rugged construction, is fully waterproof and can be mast or surface mounted on any vessel. The external GPS is optional and intended for use when no other strong GPS signal is available for the