New 2024 Next Gen model The Nautilus LifeLine Marine Rescue GPS is more than a PLB, more than an EPIRB, and more than a satellite messenger. Communicate directly with boats and ships around you. Divers. Sailors. Paddlers. Nobody should be on the water without one. Compact. Super tough. Affordable. You might not think you need one until you do! Universal All modern commercial ships and most yachts are equipped with AIS and DSC allowing universal worldwide use of the Nautilus Marine Rescue GPS. No MMSI & Registration No special or dedicated base units required. No registration, subscriptions or service fees required. Waterproof Nautilus GPS is waterproof! It is diver depth rated to 425 feet with the cap closed. Accurate positioning Your GPS position accurate to 1.5 metres and a man overboard distress message will be broadcast to all AIS equipped ships up to 34 miles away as well as a special DSC message to the marine radio on your own vessel. 5 Year Battery Life* Just keep the o-ring clean and forget about it for the next 5 years! *Batteries not included AIS/DSC Technology Each GPS is programmed at our factory with an MMSI number allowing automatic AIS functionality as soon as your unit is powered up. USA Region Only: Your ship’s MMSI must be loaded with the simple to use built-in optical sensor to activate DSC functionality. Positively Buoyant Your Nautilus GPS floats! It is waterproof in all sea conditions. Compact Size The Nautilus GPS is less than half the size of our original radio and is incredibly simple to use. Easy to attach to a BCD or tuck into a pocket. Specifications AIS Transmit Power 1 Watt AIS Frequency 161.975 and 162.025 MHz DSC Transmit Power 0.5 Watt DSC Frequency 156.525 MHz Messages Individual Distress Relay, Distress Alert Environmental Temperature Range -25°C - +55°C Waterproof Depth 425 feet (130 meter) sea water Dimensions 2.9 x 3.8 x 1.5 inch (75 x 97 x 39 mm) Weight 4.6 Oz (131g) including batteries Does not include pouch. These can be purchased separately here.