GPS Function;built-in GPS provides precise positioning;updates location in real time;ensuring safe navigation and quick rescue when boating or sailing
DSC & distress call; with the DSC function; you can preset distress messages and send them with one button; automatically transmits your GPS location; allowing coast guard and nearby ships to locate you quickly in an emergency
MOB (Man Overboard) alarm; MOB function records and shares the exact overboard location via GPS; sends coordinates to other vessels in real time; greatly improving the chances of fast rescue at sea
IP67 waterproof floating design; RM40 handheld marine radio is IP67 waterproof and floats on water; its red flashing LCD alerts you when dropped overboard; making it easy to retrieve and reliable for harsh marine environments
Dual and Tri-Watch Function;marine radio handheld supports dual and tri-Watch to ensure you never miss SOS distress signals or important communication on shipping lines