em-trak B952 Class B AIS Transceiver - 5W SOTDMA - WiFi Bluetooth

The B952 Class B AIS Transceiver by em-trak is designed to provide marine enthusiasts and professionals with reliable and high-performance AIS communication. Combining robust 5W SOTDMA transmission with ultra-low power consumption, this transceiver ensures seamless connectivity and real-time data streaming for all your boating needs.

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 the programming form.

Advanced Features for Optimal Maritime Communication

• Certified AIS Class B with 5W SOTDMA for superior transmission
• Integrated WiFi & Bluetooth for easy wireless connectivity
• Global certification including USCG, FCC, Canada, and Europe
• SRT-AIS™ Transceiver Engine ensures proven high-performance
• FLEXI-FIT™ bracket system offers effortless and secure installation
• Built-in high-performance GPS receiver and antenna with optional external antenna
• IPx6 and IPx7 certified for water, pressure spray, and damp environments
• Durable construction protects against vibration, shock, and extreme temperatures
• Compact and lightweight design for easy integration on any vessel
• Ultra-low power consumption, making it best in class
• Guaranteed connectivity with any app, chart plotter, smartphone, tablet, or PC
• Supports NMEA 0183 & NMEA 2000 for versatile data integration
• Automated health and performance monitoring ensures reliability
• Silent mode function allows for transmit-off operation
• Enhanced RF screening protects against electromagnetic interference
• Built-in power surge protection for added safety

Seamless Integration with em-trak's CONNECT-AIS App

The B952 transceiver pairs effortlessly with em-trak's CONNECT-AIS app, making programming, configuration, and device monitoring straightforward and efficient. Experience real-time data processing, extended range, and prioritized transmissions, all while connecting up to nine devices simultaneously for comprehensive onboard communication.

Rugged and Reliable Construction

Engineered for the harshest marine environments, the B952 is housed in a compact, easy-to-install package that requires no maintenance. Its rugged design ensures dependable operation, allowing you to focus on your voyage without worrying about your AIS transceiver.

Technical Specifications

Physical & Environmental Specifications

Dimension (H x W x D)	150 x 115 x 45 mm
Weight	385 g
Operating Temperature	-25°C to +55°C
Storage Temperature	-25°C to +70°C
Ingress Protection	IPx6, IPx7

Electrical Specifications

Supply Voltage	12V or 24V DC
Supply Voltage Range	9.6V - 31.2V DC
Average Current (12V)	170 mA
Average Current (12V, Wireless Off)	135 mA
Peak Current	2.5 A
Average Power Consumption (12V)	2.0 W
Average Power Consumption (12V, Wireless Off)	1.6 W
Galvanic Isolation	NMEA 0183 inputs only, NMEA 2000, VHF antenna port

Connectors

• VHF Antenna: 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
• WiFi: IEEE 802.11 (a/b/g), client and access point modes supported (2 connections in access point mode)
• Bluetooth: BT Classic 4.0, supports 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 Capabilities

• Supported Systems: GPS, GLONASS, BeiDou, Galileo (supports any two combination, or three including GPS and Galileo)
• Channels: 72
• Internal/External Antenna: Internal antenna with optional external antenna
• Time to First Fix (Cold Start): 26 seconds

VHF Transceiver Specifications

• VDL Access Scheme: SOTDMA
• Operating Frequency: 156.025 MHz - 162.025 MHz
• Channel Bandwidth: 25 kHz
• Receivers/Transmitters: 2 receivers, 1 transmitter
• AIS Receiver Sensitivity (20% PER): -111 dBm
• AIS Transmitter Power: 5W (+37 dBm)

User Interface

• Indicators: Power, transmit timeout, error, silent mode

What's Included in the Box

• 1 x AIS Transceiver
• 1 x Power and Data Cable (2M)
• 1 x FLEXI-FIT™ Mounting Bracket
• Screws & Optional Fixing Tape

Additional Specifications

AIS Class	B
Antenna Included	Yes
Display Included	No
Function	Receive/Transmit
GPS Included	Yes
Box Dimensions	6"H x 7"W x 7"L
Weight	2 lbs
UPC	672975210557

Resources

Quick Guide (PDF)

Brochure (PDF)