90g
可以
LJL901
IP68
LJL901 Lift Jacket Light with AIS Positioning
By 3T Marine Technologies
Overview
The LJL901 is a compact AIS Man-Overboard beacon integrated with a high-visibility life jacket light. Designed for maritime professionals and water sports enthusiasts, it transmits real-time GPS position to nearby vessels upon activation, ensuring rapid location and rescue.
Key Specifications
| Feature | Details |
|---|---|
| Design Standard | ITU-R M.1371-5 compliant |
| Battery Type | 6.0V LiMnO₂, 2000mAh @1mA load |
| Operating Life | Min. 48 hours at +20°C / 28 hours at -10°C |
| Shelf Life | 5 years at +20°C |
| Operating Temperature | -10°C ~ +55°C (IEC 60945) |
| Storage Temperature | -30°C ~ +70°C (IEC 60945) |
| Dimensions (W×H×D) | 54.5mm × 94.5mm × 37mm |
| Weight | 90g |
| Strobe Light | 0.75cd, 170° scattering, 1 flash/sec |
| IP Rating | IP68 |
| MMSI | Unique 972 ID per unit |
| Compass Safe Distance | No magnets – no safe distance required |
| Alert Range | 4 nautical miles |
AIS Transmission
| Feature | Details |
|---|---|
| Antenna Type | Vertical polarization |
| AIS Channels | CH1: 161.975MHz / CH2: 162.025MHz |
| Output Power | 1W EIRP |
| Signal Type | AIS MOB per RTCM 11901.1 |
| Satellite System | GPS, BeiDou, Galileo (GPS default) |
| Time to First Fix (TTFF) | 45–60 sec (at -130dBm) |
Alert Logic
AIS Alert: Transmitted immediately upon activation, then every minute on AIS channels 1 and 2.
Key Features
Integrated Light & Beacon: Combines high-visibility strobe with AIS positioning in one compact unit.
Long Battery Life: 5-year shelf life; 48+ hours operation at 20°C.
IP68 Waterproof: Fully submersible and rugged for harsh marine conditions.
No Compass Interference: Magnet-free design eliminates need for safe distance.
Multi-Constellation GPS: Supports GPS, BeiDou, and Galileo for fast, reliable positioning.
SOLAS Compatible: Works with SOLAS-certified life jackets.
Applications
Commercial fishing and shipping crews
Yachting and sailing enthusiasts
Offshore workers and port personnel
Water sports (kayaking, paddleboarding, etc.)
Why LJL901?
Compact, lightweight, and packed with advanced features, the LJL901 offers reliable AIS MOB alerting with an integrated life jacket light—perfect for anyone working or playing on the water.