Furuno GPS021S DGPS Antenna [GPA021S] Entertainment | Stereos It includes a blank plug

It includes a blank plug to replace its sensor unit when the vessel will be docked for extended periods or trailered

Roller length: 4"

less flare ups

it has a built-in flasher and displays speed data

It requires a stand-off upper bracket

Furuno GPS021S DGPS Antenna [GPA021S] Entertainment | Stereos It includes a blank plugGPS021S DGPS Antenna Furuno's GPS DGPS H Field Antenna WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov. This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Specifications: Type: Antennas Box Dimensions: 7"H x 9"W x