Sea-Dog Quarter-Turn Smooth Deck Plate w/Internal Collar - White - 4" [336340-1] Brand_Sea-Dog They can either 1) plug

They can either 1) plug in a GPS receiver into the accessory bus to get either GPS track plotting or chart plotting data depending on the unit's capabilities 2) plug in a GPS receiver along with the System link cable to allow two different units fishfinders to share one GPS receiver

by limiting the charge current to the second battery

Compatible units: Raymarine a65

shakes them

Neck Length: 2-7/16 "

Sea-Dog Quarter-Turn Smooth Deck Plate w/Internal Collar - White - 4" [336340-1] Brand_Sea-Dog They can either 1) plugQuarter Turn Smooth Deck Plate with Internal Collar White 4" The Sea Dog Quarter Turn Deck Plate is constructed of UV stabilized ABS. Features a new locking system that prevents over tightening, jamming, and cross threading. These deck plates also feature an internal, molded in collar on the bottom to hold deck plate bags or other round containers. When installing, use silicone sealant on hull or deck surface. Keep threads clean with hot, soapy water.