Description
em-trak B951 5W SOTDMA Class B AIS Transceiver | Boat Supply Store
Enhance critical vessel identification and collision avoidance with the em-trak B951, a 5W SOTDMA Class B AIS Transceiver. This unit integrates next-generation GPS and antenna, ensuring precise positioning and superior transmission priority in congested waterways, meeting IEC 62287-1 Ed. 3 standards. Its robust IPx7 certified enclosure protects against water ingress, making it a reliable component for offshore navigation or navigating busy channels like the Houston Ship Channel.
Key Features
- Prioritized Transmission: Experience superior visibility with 5W SOTDMA Class B technology.
- All-in-One Design: Features an integrated GPS receiver and antenna, simplifying installation.
- Seamless Integration: Connects effortlessly via NMEA 0183 and NMEA 2000 networks.
- Rugged Durability: IPx6 and IPx7 certified for resilience against water and pressure sprays.
- Efficient Operation: Boasts ultra-low average power consumption of just 1.6W at 12V DC.
- Discreet Operation: Silent mode allows you to turn off transmissions when desired.
- Automated Monitoring: Built-in system for health and performance checks.
- Streamlined Installation: Utilizes the FLEXI-FIT® bracket system for straightforward mounting.
Specifications
| Product Specifications | |
|---|---|
| Class | B AIS Transceiver with 5W SOTDMA |
| GPS | Integrated |
| Antenna | Integrated |
| NMEA Interface | 0183/2000 |
| Ingress Protection | IPx6/IPx7 |
| Voltage | 12/24V DC |
| Average Power Consumption | 1.6W |
| VHF Antenna Connector | SO-239 |
| GNSS Connector | TNC-S |
| PC Connectivity | USB Micro-B |
| Satellite Support | GPS, GLONASS, BeiDou, Galileo |
Who This Is For
Serious recreational boaters and professional mariners requiring high-performance AIS for enhanced situational awareness and collision avoidance. Commercial vessels operating in busy waterways will benefit from its reliable, prioritized transmissions.
How It Compares
| Feature | em-trak B951 5W SOTDMA Class B AIS Transceiver | Competitor |
|---|---|---|
| AIS Class | Class B | Class B, Class B+ |
| Transmitter Power | 5W | 2W, 5W |
| SOTDMA Support | Yes | No, No |
| Integrated GPS Antenna | Yes | No, No |
| NMEA 2000 | Yes | Yes, Yes |
| NMEA 0183 | Yes | Yes, Yes |
| Ingress Protection | IPx6 and IPx7 | IPx7, IPx7 |
| Average Power Consumption (at 12V) | 1.6W | Approx. 2.5W, Approx. 2.5W |
Common Concerns Answered
Does the em-trak B951 require professional programming?
Yes, US customers will require professional programming due to FCC regulations, which ensures compliance and optimal performance.
What if I want to avoid being tracked temporarily?
The em-trak B951 includes a silent mode function, allowing you to disable transmissions while still receiving AIS data for enhanced privacy.
Does this unit have WiFi capabilities?
No, the em-trak B951 does not feature built-in WiFi connectivity; data interfaces are managed via NMEA 0183/2000 and USB.
Frequently Asked Questions
What is SOTDMA and why is it important for an AIS transceiver?
SOTDMA (Self-Organized Time Division Multiple Access) is a transmission scheduling protocol that provides priority access to the AIS channels for Class B transceivers, ensuring your transmissions are sent promptly and reliably, especially in crowded VHF channels, improving your vessel's visibility.
Does the em-trak B951 require an external GPS antenna?
No, the em-trak B951 features an integrated GPS receiver and antenna, eliminating the need for an external unit and simplifying installation.
What chartplotters are compatible with the em-trak B951?
The B951 is compatible with any chartplotter or multi-function display that supports NMEA 0183 or NMEA 2000 data inputs, offering broad integration with most marine electronic systems.
What is required for programming the em-trak B951 in the US?
Professional programming is required for US customers. This typically involves connecting the device to a computer via its USB port and using specialized software to input your vessel's MMSI number and static data.
What is the power consumption of the em-trak B951?
The em-trak B951 has an ultra-low average power consumption of 1.6W when operating at 12V DC, making it an energy-efficient choice for all vessel types.
