MRB901 Personal Locator Beacon (AIS MOB)

By 3T Marine Technologies

Overview

The MRB901 is a compact, high-performance AIS Man-Overboard beacon designed for maritime professionals. When activated, it transmits real-time GPS position data to nearby vessels, drastically reducing rescue time. Built for durability and long-term reliability, it meets the highest industry standards.

Key Specifications

AIS & VHF-DSC

• AIS Channels: CH1 (161.975MHz), CH2 (162.025MHz)

• Output Power: 1W EIRP

• VHF-DSC: CH70, 500mW

• Satellite: BeiDou + GPS (auto-switch)

• First Fix: 45–60 sec

Alert Logic

• AIS Alert: Immediate, then every minute

• Closed-Loop DSC: After first AIS; stops with acknowledgment or after 5 min

• Open-Loop DSC: Every 5 min for 30 min, then every 10 min until acknowledgment

Key Advantages

• Compact & Lightweight: Easy to wear on any life jacket

• Long Battery Life: 8-year standby, 48+ hours active

• Certified Quality: IP68, IEC 60945, SOLAS-compatible

• OEM Ready: Custom housing available

Applications

Ideal for commercial vessels, fishing boats, offshore workers, and water sports enthusiasts.

Why MRB901?

Trusted by maritime professionals worldwide for its compact design, exceptional battery life, and reliable AIS/DSC positioning.