Features & Specifications


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.


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.


1-year manufacturer warranty included.

Nautilus Marine Rescue GPS 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
Individual Distress Relay, Distress Alert
Environmental Temperature Range
-25°C - +55°C
Waterproof Depth 425 feet (130 meter) sea water with dive cap closed/ Splashproof with dive cap open
2.9 x 3.8 x 1.5 inch (75 x 97 x 39 mm)
4.6 Oz (131g) after inserting two batteries