em-trak B954 Class B AIS Transceiver - 5W SOTDMA with WiFi, Bluetooth & VHF Antenna Splitter

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

The em-trak B954 is a highly advanced and reliable AIS Class B transceiver designed for professional and recreational mariners seeking optimal vessel tracking and safety. Featuring a powerful 5W SOTDMA transmitter, the B954 ensures superior range, transmission priority, and precise positioning with its integrated high-performance GPS receiver. This transceiver combines seamless wireless connectivity via built-in Wi-Fi and Bluetooth, enabling effortless data streaming and device management from smartphones, tablets, or PCs. Its innovative VHF antenna splitter allows sharing of your existing VHF antenna without any signal loss, simplifying installation and reducing clutter onboard. The B954’s lightweight, weatherproof design (IPx6/IPx7 certified) makes it suitable for harsh marine environments, providing durability and consistent performance in extreme temperatures, vibration, or moisture.

Features:

• Certified AIS Class B 5W SOTDMA for reliable and high-power vessel identification

• Built-in Wi-Fi and Bluetooth for wireless data streaming and device connectivity

• Integrated VHF antenna splitter to share your existing VHF antenna without performance loss

• Global certification including USCG, FCC, Canada, and Europe standards

• Next-generation SRT-AIS transceiver engine delivering proven performance and range

• FLEXI-FIT bracket system for quick, secure, and versatile installation

• Internal GPS receiver with optional external antenna for precise positioning

• Weatherproof construction with IPx6 and IPx7 ratings for durability in marine environments

• Low power consumption for extended operation and efficiency

• Interoperable with apps, chart plotters, and devices via NMEA 0183, NMEA 2000, USB, Wi-Fi, and Bluetooth interfaces

• Automated health and performance monitoring for maintenance simplicity

• Silent mode for transmit-off operation during quiet navigation or monitoring

• Enhanced RF screening to minimize electromagnetic interference

• Built-in surge protection for electrical safety

• Fail-safe VHF operation ensures continuous communication even during power or system issues