Lost overboard? Help is already on the way.

Meet the MRB906, a Class-M compliant AIS Man Overboard Beacon engineered to turn a split second of panic into a fast, coordinated rescue. Built to RTCM 11901.2 and IEC 63269 standards, it delivers your position instantly — to your own vessel, to nearby ships, and to shore stations.

Why the MRB906 wins on the water:

• Class-M Compliant – Meets the latest AIS MOB standard for reliable, recognised alerting across the maritime network.

• Alarm radius up to 5 nautical miles – Your mayday reaches vessels that can actually reach you.

• Dual AIS + VHF DSC transmission – AIS channels 1 & 2 plus DSC channel 70, maximising the chance of being heard.

• 5-year battery life – Ready when you need it. Min 20 hours of continuous operation at -10°C, longer in warmer conditions.

• Triple GNSS positioning – GPS, Beidou and Galileo for fast, accurate fixes, typically within 30 seconds.

• Unique 972 MMSI per unit – No programming, no confusion, instantly identifiable.

• Rugged & compact – IP68 waterproof, 200g, concealed VHF antenna, 0.75cd flashing strobe visible at 170°.

Small enough to wear. Strong enough to save a life.

Whether you're outfitting a commercial fleet, a fishing crew, or a recreational vessel, the MRB906 is the dependable choice for Class-M compliant man overboard protection.

Visit us at the Hong Kong Autumn Electronics Fair (Online) — OEM and custom branding available.

Learn More:  https://sentineloceansystems.com