**NSR NEB-2000** is a state-of-the-art **406 MHz GPS Emergency Position-Indicating Radio Beacon (EPIRB)** designed for maritime safety, complying with the latest **IMO MSC.471(101) regulations** effective from July 2022/2023. Here’s a detailed overview based on the search results:

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### **Key Features**

1. **Regulatory Compliance**:

- Meets **IMO MSC.471(101)** standards, mandatory for EPIRBs installed after July 2022/2023 .

- Approved by **DNV-GL, CCS, RS, VR**, and **COSPAS-SARSAT** .

2. **Advanced Locating Technology**:

- **Built-in GNSS Receiver**: Supports **GPS, BDS, Glonass, and Galileo** for location accuracy within **10 meters** .

- **AIS Transmitter**: Broadcasts distress signals on AIS frequencies (161.975 MHz and 162.025 MHz) for nearby vessel detection .

- Dual-frequency transmission: **406 MHz (satellite alert) + 121.5 MHz (homing signal)** .

3. **Design and Durability**:

- **High-visibility orange** casing made of **ABS+PC** material, **IP67 waterproof** (submersible to 10m for 10+ minutes) .

- **Buoyant** with automatic hydrostatic release at **4 meters depth** or manual activation .

- Compact dimensions: **116×692×116 mm (beacon)** / **220×415×144 mm (container)** .

4. **Safety and Usability**:

- **Anti-false alarm** mechanisms and **self-test function** .

- **Infrared communication** for easy data coding/reading .

- **Hands-free carry lanyard** and low-power design for **48+ hours operation** .

5. **Battery and Maintenance**:

- **Lithium battery (NBT400)**: 14.4V, **5–9 years storage life** (with recommended 5-year health checks) .

- Includes **Hydrostatic Release Unit (HRU NHR-100)** with 2–3-year service life .

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### **Specifications Summary**

| **Category** | **Details** |

|--------------------|----------------------------------------------------------------------------|

| **Model** | NEB-2000 / NEB-2000C (Wheelmark variant) |

| **Weight** | 1.45 kg (beacon), 1.6 kg (container) |

| **Operating Temp** | -20°C to +55°C (storage: -30°C to +70°C) |

| **Transmission** | 406 MHz (5W), 121.5 MHz (50mW), AIS (1W) |

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### **Applications**

- Mandatory for **GMDSS-compliant vessels** under SOLAS regulations .

- Suitable as a **VDR (Voyage Data Recorder) floating capsule** .