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em-trak B951 Class B AIS Transceiver, 5W SOTDMA – Part Number 430-0009

em-trak B951 Class B AIS Transceiver, 5W SOTDMA – Part Number 430-0009

SKU:98705

Regular price $784.97 USD
Regular price Sale price $784.97 USD
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Eligible items may be returned within 30 days of delivery. Items must be new, unused, uninstalled, and in original packaging. An RMA is required.

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B951 Class B AIS Transceiver - 5W SOTDMA

**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 B951 is a high-power (5W SOTDMA) Class B transceiver, delivering advanced performance and ultimate reliability through em-trak's next-gen technology. Small and durable, this trusted transceiver processes all AIS transmissions in real-time, with increased range and transmission priority so you always have the complete picture and the time to respond, even in the busiest waters.

em-trak's flexible, intelligent connectivity means the B951 can be paired to any chart-plotter and its next-gen GPS receiver and the antenna are already integrated inside the device to provide best-in-class, ultra-low power consumption, and performance. em-trak's unique FLEXI-FIT bracket system completes the package and ensures easy installation.

Features:

  • Certified AIS Class B 5W SOTDMA
  • 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
  • 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: 375kg
  • 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): 135mA
  • Peak current: 2.5A
  • Average power consumption (at 12V): 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

Standards Compliance:

  • AIS standards: IEC 62287-1 Ed. 3, 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
This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

em-trak B951 Class B AIS Transceiver, 5W SOTDMA delivers reliable vessel identification and tracking for recreational and commercial boats operating in busy waterways. With high-power 5-watt SOTDMA transmission, real-time AIS processing, integrated GNSS capability, and flexible chart plotter connectivity, the B951 helps provide a clearer picture of surrounding AIS-equipped traffic and supports timely decision-making on the water.

The B951 combines a compact, durable design with low power consumption and broad connectivity. Its internal GPS receiver and antenna simplify installation, while an optional external antenna is supported when needed. NMEA 0183 and NMEA 2000 interfaces allow integration with compatible marine electronics, and the FLEXI-FIT mounting bracket provides a convenient, secure installation solution. The transceiver is certified for use across the United States, Canada, and Europe and includes silent mode, automated health monitoring, surge protection, and enhanced RF screening.

FCC Programming Requirement: All units sold in the United States must be programmed by a qualified technician. A completed programming form, a copy of the MMSI registration or FCC Ship Station License, and the vessel master or owner's signature are required at the time of purchase. Download the programming form.

Part Number: 430-0009

Important: This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Key Features:

  • 5-watt SOTDMA Class B AIS transceiver for increased transmission priority and real-time AIS data processing
  • Integrated high-performance GNSS receiver and antenna, with support for an optional external antenna
  • NMEA 0183, NMEA 2000, and USB connectivity for integration with compatible marine electronics and computers
  • IPX6 and IPX7 protection against water and pressure spray
  • FLEXI-FIT mounting bracket for convenient and secure installation
  • Silent mode, automated health monitoring, power surge protection, and enhanced RF screening

Product Details:

  • Brand: em-trak
  • Model: B951
  • Part number: 430-0009
  • Type: Certified Class B AIS transceiver
  • VDL access scheme: SOTDMA
  • AIS transmitter power: 5 watts
  • Operating voltage: 12 or 24 volts DC; supported range from 9.6 to 31.2 volts DC
  • Interfaces: Two bi-directional NMEA 0183 ports, NMEA 2000, and USB Micro-B
  • GNSS systems: GPS, GLONASS, BeiDou, and Galileo
  • Operating temperature: -13°F to 131°F
  • Storage temperature: -13°F to 158°F
  • Included: AIS transceiver, 6.6-foot power and data cable, FLEXI-FIT mounting bracket, screws, and optional fixing tape
  • Certifications and standards: USCG, FCC, Canada, Europe, IEC 62287-1, ITU-R M.1371.5, IEC 60945, and applicable listed standards

Choose the em-trak B951 for dependable 5-watt SOTDMA AIS performance, practical marine connectivity, and installation flexibility in a compact transceiver.

Truck Freight: No
Oversized: No

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