External Marine GPS Antenna for Garmin Boat Ship GPS Recording your driving track, speed and longitude and latitude data. All of these data can be seen in designated player.

Z521R-SC & Z521R-DC includes: Deluxe Boat Cover Flat, Hydraulic Jackplate, Trim Switch Lever Control (2), Foot throttle w/slide, Keel Protector, Lowrance Ghost 36V, Bow Graph-Lowrance HDS-PRO 12, ...

Garmin develops GPS navigation and tech products, such as smartwatches, for personal fitness, sports and outdoor use. The company's other three product segments are automotive, marine and aviation.