em-trak B952 Class B AIS Transceiver - 5W SOTDMA - WiFi & Bluetooth
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B952 Class B AIS Transceiver - 5W SOTDMA - WiFi & Bluetooth
**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.**
The B952 is a high-power (5W SOTDMA) Class B AIS transceiver, offering unmatched performance and ultra-low power consumption. Small and lightweight, it combines integrated Wi-Fi & Bluetooth capabilities for seamless wireless connectivity and AIS data streaming. It is compatible with any mobile device, PC, or wearable – ensuring everyone on board gets the most from your transceiver and related onboard equipment every day.
The B952 transceiver works seamlessly with em-trak's CONNECT-AIS app to make programming, configuration, and device monitoring easier than ever before. The class-leading device is engineered to deliver real-time data processing, with increased range and transmission priority and its flexible connectivity means it can be used by up to nine different devices simultaneously.
em-trak's next-gen technology means the B952 is delivered within a compact, easy-to-install, rugged package designed and manufactured to operate reliably without maintenance in the harshest marine environments.
Features:
- Certified AIS Class B – 5W SOTDMA
 - Integrated WiFi & Bluetooth
 - 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, smart phone, 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
 
Physical & Environmental Specifications:
- Size (H x W x D): 150 x 115 x 45mm
 - Weight: 385kg
 - Operating temperature: -25°C to +55°C
 - Storage temperature: -25°C to +70°C
 - 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): 170mA
Average current (at 12V) (wireless off): 135mA
Peak current: 2.5A
Average power consumption (at 12V): 2.0W
Average power consumption (at 12V) (wireless off): 1.6W
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 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 FLEXI-FIT™ mounting bracket
 - Complete with screws & optional fixing tape
 
| Product Name | em-trak B952 Class B AIS Transceiver - 5W SOTDMA - WiFi & Bluetooth | 
|---|---|
| Condition | New | 
| Quick Specifications | AIS Class = B | Antenna Included = Yes | Display Included = No | Function = Receive/Transmit | GPS Included = Yes | 
| List Of Accessories by MFG | 413-0060|304-0055|301-0132 | 
| MPN | 430-0011 | 
| Brand | em-trak | 
| UPC | 672975210557 | 
| Rebate Start Date | 05/21/2025 | 




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