Yes
MRB901
IP68
100g
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
| Feature | Details |
|---|---|
| Standards | RTCM 11901.1 / ITU-R M.1371-5 |
| Battery | 9.0V LiMnO₂, 900mAh |
| Operating Life | Min. 48 hours (-20°C) |
| Shelf Life | 8 years |
| Temp (Oper/Store) | -20°C to +55°C / -30°C to +70°C |
| Size / Weight | 50×80×22mm / 100g |
| Strobe | 0.75cd, 170°, 1 flash/sec |
| Protection | IP68, IEC 60945 |
| Alert Range | 4 nautical miles |
| MMSI | Unique 972 ID per unit |
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.