Em-Trak B952 Class B Ais Transceiver - 5W Sotdma - Wifi & Bluetooth

SKU: CWR-98706
Unit Price
US$ 1,706.68
US$ 1,706.68
US$ 1,696.441%
US$ 1,690.451%
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Antenna Included
Display Included
AIS Class
GPS Included

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.**

Click here to download 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.


Physical & Environmental Specifications:

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


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


VHF Transceiver:

User Interface:

In the Box:

  • 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
  • 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
  • VHF antenna: SO-239
  • Power: 12-way circular multipole
  • NMEA 2000: 5-way Micro-C connector
  • USB: USB Micro-B
  • 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
  • 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)
  • Indicators: Power, transmit timeout, error, silent mode
  • 1 x AIS transceiver
  • 1 x Power and data cable (2M)
  • 1 x FLEXI-FIT™ mounting bracket
  • Complete with screws & optional fixing tape
  • Shipping specs
    Shipping weight
    2 lbs
    Shipping dimensions
    7" x 6" x 7"
    Shipping from
    This product is shipped from our supplier's warehouse in NJ, United States
    Our guarantee
    This product is brand new and includes the manufacturer's warranty, so you can buy with confidence.
    A 25% handling charge is levied against all authorized returns except those due to our error. Unauthorized returns are subject to a 40% handling charge. Damages & defects must be reported to us within 14 days.
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