SKU: 4363958120

em-trak B951 Class B AIS Transceiver - 5W SOTDMA

Sale price$340.81 Regular price$378.68
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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13

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Description

em-trak B951 Class B AIS Transceiver - 5W SOTDMAB951 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,

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: -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): 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.

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 WT: 2 lbs
  • UPC: 672975210540

Quick Guide (pdf)
Brochure (pdf)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 4363958120

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4.8 ★★★★★
Based on 27 reviews
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Product Reviews
R
Verified Purchase
Rivnio
Cuba, US
★★★★★ 2
Didn't withstand a 12lb dog!
Cute but our 12lb dog chewed off one area of the toy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
R
Verified Purchase
Robert W. Kane
Lexington, US
★★★★★ 5
Tough enough.
These seem to be more durable than the other toys I bought from this same supplier. The dogs like them and they are fairly tough. They are still in good shape after a couple of weeks of play with my dogs. I would probably get these again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
M
Verified Purchase
Mallika
Cuba, US
★★★★★ 5
Puppy approved
My doxins loved these toys. I loved them more that there was no stuffing mess to clean up! Good squeaker noise. Soft for their gums
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Reviewed in the United States on April 23, 2026
P
Verified Purchase
Patrick
Dallas, US
★★★★★ 5
Worth it if your dog destroys plush toys & likes to chew
Color: Cyan NylonFish
My dog is a very big chewer and destroyer of toys. This toy is perfect for her. It is durable and keeps her engaged chewing for a while. I have a 55lb dog, considered a large dog, and it’s a great size for her. She’s unable to break it apart. The ends do tend to get a little sharp after extended use
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Reviewed in the United States on February 14, 2026
L
Verified Purchase
long islander
Massapequa, US
★★★★★ 5
My Boston loves this fish toy
Color: Cyan NylonFish
Very durable. It takes a couple of months of intense chewing to make holes in this toy. My Boston has incredible mouth strength so he destroys most toys in minutes unless they are rocks. I have replaced this fish 2 times in the last year. I keep an eye on the wear and replace it when he makes a hole in it. Worthwhile purchase but monitor the dogs chewing.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2026

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