B954 Class B AIS Transceiver - 5W SOTDMA with WiFi, Bluetooth, VHF Antenna Splitter
**As the FCC requires all units sold in the US to be programmed by a qualified technician. Please submit the form below for programming at the time of purchase. A copy of the MMSI registration or FCC Ship Station License is required along with the vessel master or owner's signature on the completed programming form.**
Click here to download form.
The B954 is the most feature-rich high transmit power (5W SOTDMA) AIS transceiver in the B900 range. The B954 combines Wi-Fi Bluetooth for seamless wireless connectivity and AIS data streaming to any mobile device, PC or wearable, with an integrated VHF antenna splitter to enable your transceiver to share your existing VHF antenna without any loss of performance. Like all B900 transceivers, it also includes an integrated next-generation GPS receiver and antenna and is designed for em-trak's unique FLEXI-FIT bracket system to make installation as easy as possible.
Lightweight and completely weatherproof, the B954 delivers the very best AIS receive and transmit performance with increased range and transmission priority. Your transceiver will also work with our CONNECT-AIS mobile phone app to make programming, configuration, and transceiver health monitoring simple and convenient.
Features:
- Certified AIS Class B 5W SOTDMA
- Integrated WiFi and Bluetooth
- Integrated VHF antenna splitter
- Global certification - USCG / FCC / Canada / Europe
- SRT-AIS Transceiver Engine for superlative proven performance
- FLEXI-FIT bracket system for easy, convenient, and secure installation
- Internal high-performance GPS receiver and antenna (external antenna optional)
- Water, pressure spray, and damp proof (IPx6, IPx7 certified)
- Protected from vibration, shock, and extreme temperatures
- Small and lightweight
- Ultra-low power consumption best in class
- Guaranteed connectivity and interoperability with any app, chart plotter, smartphone, tablet, or PC
- NMEA 0183 NMEA 2000
- Automated health and performance monitoring
- Silent mode (transmit-off) function
- Enhanced RF screening to protect against electromagnetic interference
- Built-in power surge protection
- Fail-safe VHF radio operation
Physical Environmental Specifications:
- Size (H x W x D): 150 x 115 x 45mm
- Weight: 425kg
- Operating temperature: -25C to +55C
- Storage temperature: -25C to +70C
- Ingress protection: IPx6 and IPx7
Electrical Specifications:
- Supply voltage: 12V or 24V DC
- Supply voltage range: 9.6V - 31.2V DC
- Average current (at 12V): 280mA
- Average current (at 12V) (wireless off): 245mA
- Peak current: 2.5A
- Average power consumption (at 12V): 3.4W
- Average power consumption (at 12V) (wireless off): 2.9W
- Galvanic isolation: NMEA 0183 inputs only, NMEA 2000, VHF antenna port
Connectors:
- VHF antenna: SO-239
- VHF radio: SO-239
- GNSS: TNC
- Power: 12-way circular multipole
- NMEA 2000: 5-way Micro-C connector
- USB: USB Micro-B
Data Interfaces:
- NMEA 0183: 2 x bi-directional ports
- NMEA 2000: NMEA 2000 Ed 3.101, LEN=1
- USB: PC virtual com port for NMEA 0183 data
- Wi-Fi: IEEE 802.11 (a/b/g), client and access point mode supported (2 connections in access point mode)
- Bluetooth: BT Classic 4.0, 7 concurrent connections
Standards Compliance:
- AIS standards: IEC 62287-2 Ed. 2, ITU-R M.1371.5
- Product safety standards: EN60950-1 2006 +A11:2009 +A1:2010 +A12:2011 +A2:2013 EN62311:2008
- Environmental standards: IEC 60945 Ed. 4
- Serial data interface standards: IEC 61162-1 Ed 5.0, IEC 61162-2 Ed 1.0
- NMEA 2000: NMEA 2000 Ed 3.101
- GNSS performance standards: IEC 61108-1 Ed 2.0, IEC 61108-02 Ed 1.0
GNSS:
- Systems supported: GPS, GLONASS, BeiDou, Galileo (two of any combination, three including GPS, Galileo)
- Channels: 72
- Internal/external antenna: Internal or optional external antenna
- Time to first fix from the cold start: 26s
VHF Transceiver:
- VDL access scheme: SOTDMA
- Operating frequency: 156.025MHz - 162.025MHz
- Channel bandwidth: 25kHz
- Receivers/transmitters: 2 x receivers, 1 x transmitter
- AIS receiver sensitivity (20% PER): -111dBm
- AIS transmitter power: 5W (+37dBm)
User Interface:
- Indicators: Power, transmit timeout, error, silent mode
In the Box:
- 1 x AIS transceiver
- 1 x Power and data cable (2M)
- 1 x VHF radio accessory cable
- 1 x FLEXI-FIT mounting bracket
- Complete with screws optional fixing tape
This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
The em-trak B954 Class B AIS Transceiver offers advanced marine safety and communication features designed for reliable vessel tracking and data exchange. With a powerful 5W SOTDMA transmission, it ensures high-range performance and priority transmission, making it suitable for commercial and recreational vessels alike. This transceiver integrates Wi-Fi and Bluetooth connectivity, allowing seamless wireless streaming of AIS data to smartphones, tablets, and PCs, while the built-in VHF antenna splitter enables sharing your existing VHF antenna without any loss of signal quality. Its compact, lightweight design combined with an IPx6/IPx7 weatherproof rating ensures durability and dependable operation in harsh marine environments. The B954’s integrated GPS receiver provides accurate positioning data, critical for navigation and collision avoidance, and can be configured easily with em-trak’s CONNECT-AIS app, simplifying setup and monitoring.
Built to meet global certification standards, including USCG, FCC, Canada, and Europe, the B954 is engineered for safety and compliance. It features NMEA 0183 and NMEA 2000 interfaces, enabling integration with various navigation systems and chart plotters. Its low power consumption and robust electromagnetic interference shielding ensure reliable operation during extended voyages. The transceiver also includes fail-safe VHF radio operation, power surge protection, and multiple environmental safeguards, making it suitable for all marine conditions. Installation is straightforward with the FLEXI-FIT bracket system, and the device’s internal GPS can be upgraded with an external antenna for enhanced signal reception. The B954 is an all-in-one solution for modern mariners seeking a high-performance, feature-rich AIS transceiver that combines safety, connectivity, and ease of use in a compact form factor.
Features:
- Certified AIS Class B 5W SOTDMA for high-performance vessel tracking
- Integrated Wi-Fi and Bluetooth for wireless data streaming and device connectivity
- Built-in VHF antenna splitter allows sharing of existing VHF antenna without signal loss
- Global certification including USCG, FCC, Canada, and Europe ensures compliance
- Advanced SRT-AIS transceiver engine for reliable and proven performance
- FLEXI-FIT mounting system facilitates quick and secure installation
- Internal high-performance GPS receiver with optional external antenna support
- Weatherproof design with IPx6 and IPx7 ratings for durability in harsh marine conditions
- Compact and lightweight construction for easy handling and installation
- Ultra-low power consumption for extended operation
- Guaranteed interoperability with apps, chart plotters, PCs, and mobile devices
- NMEA 0183 and NMEA 2000 interfaces for seamless system integration
- Automated health and performance monitoring ensures operational reliability
- Silent mode function for transmit-off operation during critical situations
- Enhanced RF screening to mitigate electromagnetic interference
- Built-in power surge protection enhances safety and reliability
- Fail-safe VHF radio operation maintains communication during system failures
