HARPOON GPS BY BLACKLINE GPS

Protect, share and connect as never before with the most-effective permanently installed GPS system available for your watercraft. Powerfully combining always-on cellular networks, top-tier GPS tracking and tamper-sensing technology that activates from your own keychain, plus the exlusive, intantly triggered Blackline GPS Monitoring & Recovery Service to speed the return of your stolen watercraft, Harpoon GPS is your extra layer of assurance when you can't be there yourself. Monthly service plan required starting at $14.95/month.