Em-Trak B953 AIS Transceiver
Best high-performance AIS solution for serious sailors seeking reliable vessel tracking.
This transceiver delivers professional-grade 5W power and range without the headache of installing a second antenna. It is the smartest way to upgrade your vessel’s visibility, though you will need to be comfortable integrating it into your existing marine electronics network.
$946.44
at
Defender Marine
Who it's for
- Offshore sailors needing maximum visibility to commercial shipping traffic
- Boat owners looking to minimize antenna clutter and installation complexity
- Captains wanting seamless navigation data on mobile devices and plotters
Who should skip it
- Budget-conscious cruisers satisfied with standard 2W CSTDMA performance
- Small boat operators with limited battery banks and power budgets
- Safety-focused mariners preferring redundant antenna systems for critical communications
Performance breakdown
Signal Transmission Power
The 5W SOTDMA output ensures your vessel remains visible in congested waters.
Installation Versatility
The FLEXI-FIT bracket makes mounting simple on almost any bulkhead surface.
System Integration
Broad NMEA 2000 and 0183 support connects seamlessly with existing marine electronics.
Antenna Efficiency
Integrated splitter maintains signal integrity without needing a secondary dedicated antenna.
Durability Rating
IPx6 and IPx7 certification provides robust protection against harsh marine environments.
GNSS Acquisition Speed
Multi-constellation support delivers a reliable position fix in under thirty seconds.
Key Specs
AIS Class
B (5W SOTDMA)
Power Output
5.0 Watts
Dimensions
150 x 115 x 45mm (H x W x D)
Ingress Protection
IPx6 and IPx7 certified
Supply Voltage
12V or 24V DC (9.6V - 31.2V DC range)
Connectivity
NMEA 0183, NMEA 2000, USB
GNSS Systems Supported
GPS, GLONASS, BeiDou, Galileo
Weight
415kg
VHF antenna connector
SO-239
GNSS connector
TNC
Know before you buy
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Ask Metto anything about the Em-Trak B953 AIS Transceiver before you decide.
